Re: [neonixie-l] Re: David Forbes?

[Instrument Resources of America]

I'm asking for, last known location for David Forbes??? Just city, and 
country, NOT street address.


Thanks, Ira.



On 11/3/2024 7:09 AM, Audrey wrote:


Holding onto people's things for over a year and ghosting them is 
unacceptable. Smells fishy to me.



On Sun, Nov 3, 2024, 10:02 AM Robert  wrote:

Did anyone get a reply?

Rob


On 15 Aug 2024, at 01:54, Audrey  wrote:


He also didnt respond to my email about buying some of his inventory

On Wed, Aug 14, 2024, 8:15 PM 'Kevin A.' via neonixie-l
 wrote:

I saw that David posted ion this forum (in April of this
year) that he is hanging up his hat and selling inventory.

Unfortunately, despite emailing him several times, he has not
replied to me in since June 2023.

He still has my watch and no word... is anyone else
experiencing this or is it just me?

I don't want to seem imprudent, but asking me to return the
watch and then not replying to any emails for 14 months is
also a bit frustrating.

On Wednesday, November 8, 2023 at 12:06:31 PM UTC-5 J Forbes
wrote:

He's been pretty busy...but he's doing fine.

On Wednesday, November 8, 2023 at 9:39:21 AM UTC-7 Kevin
A. wrote:

Hi all,

Just reaching out to see if anyone has been in
contact with David the past few months. I reached out
to him mid-June of this year for a repair on my nixie
round watch. He replied to my first email the next
day with instructions to ship to him, so I did.

Since then, I have attempted to follow up a number of
times over email but have not received a reply yet.
Wondering if he is alright at this point; hopefully
just out of office but nothing serious?

Either way, thought I'd reach out to the group at
this point since I'm not having any luck making contact.

Best regards,
Kevin

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Re: [neonixie-l] Omni Ray M40

[Instrument Resources of America]

What about a motor speed controller, either bought new from a hardware 
store, or removed from an old power tool.??


Ira.



On 11/1/2024 11:48 AM, Mac Doktor wrote:



On Nov 1, 2024, at 12:37 AM, gregebert  wrote:

I recently made a clock with similar displays from IEE. I'm worried 
about filament stress, so I dont run the seconds for more than a 
minute at-a-time. I also have pre-heating , cool-down, and 
current-limiting so that the filaments never get a current-surge at 
turn-on. Time will tell if they last a long time.


Dropping the voltage on incandescent lamps by 10% increases the life 
by a lot. Doing all of the above make it about as foolproof as 
possible. I power up my antique Xmas lights up by slowly increasing 
the voltage with a variac. Having a box that does all of that for me 
would be nice.


Note that I'm using parallel wired festoons connected to a big 12V 
exterior lighting transformer and light dimmers are right out because 
of the inductive load. There IS such a dimmer but I haven't seen any 
for sale for a long time. I actually have one in a portable neon sign 
transformer but I don't care to remove it.



Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty, 
/Blade Runner/


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Re: [neonixie-l] IN-14 with reversed "6"

[Instrument Resources of America]

Or dyslexics.

Ira.



On 10/18/2024 3:49 PM, martin martin wrote:

Maybe a special model for lefties…



mcvei...@gmail.com


On Fri, Oct 18, 2024 at 15:47 Audrey  wrote:

Interesting manufacturing defect 😁 --
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Re: [neonixie-l] Nixie Sodas from our local Sprout grocery

[Instrument Resources of America]

AAaaah,  I knew it had to be there somewhere!!

Ira.




On 9/24/2024 4:34 AM, Adrian Godwin wrote:

In the bubbles

On Tue, Sep 24, 2024 at 2:29 AM Instrument Resources of America 
 wrote:


Where's the NEON??

Ira.



On 9/22/2024 4:09 PM, Jon D. wrote:
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Re: [neonixie-l] Nixie Sodas from our local Sprout grocery

[Instrument Resources of America]

Where's the NEON??

Ira.



On 9/22/2024 4:09 PM, Jon D. wrote:

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Re: [neonixie-l] UFO Nixie Clock

[Instrument Resources of America]

I guess that anything is possible. I will NOT be the one finding out.

Ira.

On 8/16/2024 5:30 PM, Mac Doktor wrote:


On Aug 16, 2024, at 8:10 PM, Instrument Resources of America 
 wrote:


That is really a cool and interesting item. For use here in the 
states, it would have to be converted to 120v  """60HZ"""   If the 
time keeping is being done via a synchronous motor, as appears to be 
suggested by the seller, the motor would have to be changed to 60 HZ 
motor for accurate time keeping.


Good luck finding that motor. The old electric clocks on our stove 
went bad decades ago. Disposable ages ago.


OTOH, there's probably some guy on YouTube who replaced the entire 
mechanism with something he built with a 3D printer and a solderless 
breadboard. Whole thing runs off of a 18650.



Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"I’ve seen things you peoplewouldn’t believe. Attack ships on fire off 
the shoulder of Orion. I watched c-beams glitter in the dark 
near Tannhäuser Gate.


"All those moments will be lost in time like tears in the rain."— Roy 
Batty, /Blade Runner/


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Re: [neonixie-l] UFO Nixie Clock

[Instrument Resources of America]

That is really a cool and interesting item. For use here in the states, 
it would have to be converted to 120v  """60HZ"""   If the time keeping 
is being done via a synchronous motor, as appears to be suggested by the 
seller, the motor would have to be changed to 60 HZ motor for accurate 
time keeping.


Ira.



On 8/16/2024 11:51 AM, Mac Doktor wrote:

Be sure to read the description:

https://www.ebay.com/itm/176528005859


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty, 
/Blade Runner/


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Re: [neonixie-l] EEV E727G Display Bargain

[Instrument Resources of America]

Maybe you could get that seller to buy some of yours!!!

Ira.



On 8/10/2024 11:23 AM, Michail Wilson wrote:


Just WOW.

I have about 500 of them.  I’m gonna be rich. 😊

Michail

*From:* neonixie-l@googlegroups.com  *On 
Behalf Of *Senk Ju

*Sent:* Saturday, August 10, 2024 11:09 AM
*To:* neonixie-l@googlegroups.com
*Subject:* Re: [neonixie-l] EEV E727G Display Bargain

Can't talk about eBay bargains without mentioning this listing: 
https://www.ebay.com/itm/324892160296


Mac Doktor  schrieb am Sa., 10. Aug. 2024, 19:04:

Forget the XM1000s, here's something really valuable:

https://www.ebay.com/itm/116285792390

Heh.

Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty,
/Blade Runner/

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Re: [neonixie-l] EEV E727G Display Bargain

[Instrument Resources of America]

IIRC those same tubes were up for sale more than a year or so ago.

Ira.


On 8/10/2024 11:04 AM, Mac Doktor wrote:

Forget the XM1000s, here's something really valuable:

https://www.ebay.com/itm/116285792390


Heh.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com

"If only you could see what I've seen with your eyes."—Roy Batty, 
/Blade Runner/


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Re: [neonixie-l] Scope Clock with 3LO1i

[Instrument Resources of America]

Be careful not to burn a spot on the screens phosphor coating. High 
intensity, coupled with length of time in one spot is what determines if 
a burn occurs.


Ira.


On 11/28/2023 9:05 AM, 'Grahame' via neonixie-l wrote:


I would guess that the bright spot is where the beam rests after 
drawing the face and is waiting for the next refresh trigger.


My own scope clock draws each face once every 20mS (16.66mS in 60Hz 
land) synchronised to the mains.  If a particular face takes, say, 8mS 
to draw then the beam is parked somewhere and left blanked for the 
remaining 12mS (in this example) waiting for the next face refresh 
trigger. So if the beam is left on for the waiting period then it will 
appear as a very bright spot at the parked position. You'd have to 
investigate the software you're using for what triggers the face 
drawing and what happens in the waiting period.


Grahame

On 27/11/2023 22:50, Max DN wrote:
I'm attaching the voltage divider that I am using and the one that 
I'm going to try using values calculated assuming 0.5mA current draw 
(which I understand makes sense for this CRT).


Sharing this useful website to calculate resistor values using 
parameters from the datasheet, it is starting to make sense now!

https://www.robkalmeijer.nl/techniek/electronica/radiotechniek/hambladen/qst/1946/12/page45/index.html

Blanking pin currently disconnected (still waiting for an 
optocoupler). I wonder whether that will fix the bright spot (of 
course it will fix the smears on the display).


@ gregebert - I may find this latest update useful

Il giorno lunedì 27 novembre 2023 alle 09:28:02 UTC Max Di Noi ha 
scritto:


Ok, I managed to make some improvements by changing some
resistors on the voltage divider, I'll post my new layout later.

Much better now, although I need to better understand how to
calculate resistor values as at the moment I don't know current
draws by each crt pin.

I get a very bright spot on the clock image, I don't know if
that's because I have not connected the blanking circuitry yet or
overvoltage on A1 (I'm waiting for an optocoupler, hopefully it
arrives this week).

Picture attached. Getting there.


 Original message 
From: 'Grahame' via neonixie-l 
Date: 26/11/2023 11:21 (GMT+00:00)
To: neoni...@googlegroups.com
Subject: Re: [neonixie-l] Scope Clock with 3LO1i

Hi

£55 is expensive - you should be able to get them for £30.

Have you tied the deflection plates to A2 for testing purposes or
left them floating? They should be tied to A2.

Can you turn the brightness pot down to fully extinguish the dot?
If not you need to be able to.

Grahame

On 25/11/2023 18:28, Max DN wrote:

@Grahame
Thanks for the suggestion. I didn't know about CV2302 DH3-91, I
see Langrex is selling it for £55 on eBay.

Yes, my voltages were off. I have made some changes:
Cathode is now -350V to ground
A1 is +30V above cathode
A2 is +150V above ground, that is +500V above cathode
I'm having some problems with Grid voltage, I'm guessing...


@gregebert
This is the pinout I'm using:
Pins 1-14 heater
Pin 2 Cathode
Pin 3 Grid G1
Pin 4 A1 (focus anode)
Pin 5 n/c
Pin 6 Grid G2
Pin 7 X1
Pin 8 X2
Pin 9 A2 (acceleration anode)
Pin 10 Y1
Pin 11 Y2
Pin 12 Grid G3
Pin 13 n/c
Pins 3-6-12 are all internally connected, other than on mine 3
is no longer soldered on the grid.

Pin 3 or 6 or 12 (Grid) is connected to -525V (that's 40V above
-485V negative voltage doubler in Cathode Corner's schematic),
still not good (pic attached). I connected a few resistors in
series 500k, then 1M to bring voltage down up to -250V, with not
much difference. So it's clear I don't understand how to connect
the Grid pin!!

I did find a schematic here (suggests to reduce max negative
voltage rail to -300V):
https://www.catahoulatech.com/index.php?product=KIT-0001

https://www.catahoulatech.com/products/KIT-0001/OscilloscopeCrtDriverData.pdf

I also find something else that is exactly what I'm trying to
do. It's using different POTs and +350V vs -350V (whereas I'm
using +250V and -485V)... Schematic attached.


Il giorno sabato 25 novembre 2023 alle 10:07:25 UTC Grahame ha
scritto:

Hi Max

https://threeneurons.files.wordpress.com/2015/05/3lo1i.pdf

gives the normal operation acceleration anode A2 voltage as
500V (WRT cathode) and the focus anode A1 as 0 to 50V. Your
voltages are higher, especially the focus anode voltage.
Hence the green splat rather than a dot.

My experience with this tube and the 6LO1i which is the
slightly larger rectangular version is very poor. The
phosphor literally turned grey, then black and the light
emission faded over a couple of months in use. It wasn't

[neonixie-l] Literature by Edgar Rice Burrougs

[Instrument Resources of America]

I stumbled across this quite by accident this morning. Literature of 
some sort, titled "The Scientists Revolt" by Edgar Rice Burroughs, and 
Ray Palmer.  I have no idea what the content is, or if anyone here would 
be interested. That's up to you. The only reason I posted it, is the 
Burroughs name. I have no connection to the seller, yada, yada, yada.   
Ebay item number 314896915150.  If anyone is familiar with this, please 
advise,   Thanks,  Ira.


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Re: [neonixie-l] Re: Wanted: Info on HP 1970-0062 Panaplex?

[Instrument Resources of America]

Thanks. I'm glad you were able to figure it out, as I could find no 
reference to '1970-' anywhere, including my own parts room.   Ira.


On 12/16/2022 11:55 PM, 'Nick' via neonixie-l wrote:
More on this - we dismantled the board and the display is a Burroughs 
Panaplex II type BR 12250. If anyone has any of these they are willing 
to part with, that'd be great!


BTW, HP 1970- numbers are generally white-labelled display 
devices. In my stock I have HP branded 1970-0009 (B5991 nixie), 
1970-0012 (B5992 nixie) and 1970-0035 (NL5441A nixie). There are 
several others too...


Cheers

Nick




On Thursday, 15 December 2022 at 12:17:13 UTC Nick wrote:

Hi

I've been looking for cross-reference information on HP 1970-0062
displays - the usual places (Sphere etc.) don't seem to have
anything on these. Atualy displays would be good too!

Any information gratefully received!

Nick

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Re: [neonixie-l] Wanted: Info on HP 1970-0062 Panaplex?

[Instrument Resources of America]

I have H-P literature here from 1974 that does NOT show the '1970' 
prefix of your part number, as being valid, not that it could not have 
been used later than that date.         Ira.


On 12/15/2022 6:24 AM, Instrument Resources of America wrote:


I hate to tell you this but HP often marched to the beat of a 
different drummer, in that many times their IN HOUSE made parts had 
'NO'  commercial equivalents. I will look later this morning to see if 
I can find something for you, but DON'T hold your breath!!!    Ira.


On 12/15/2022 4:17 AM, 'Nick' via neonixie-l wrote:

Hi

I've been looking for cross-reference information on HP 1970-0062 
displays - the usual places (Sphere etc.) don't seem to have anything 
on these. Atualy displays would be good too!


Any information gratefully received!

Nick
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Re: [neonixie-l] Re: Looking for Beam-X tubes

[Instrument Resources of America]

Hi Nick, I Have the following 'modules' available CP-468/U with BD-301, 
and 6844A Nixies and the sockets.  Ira.




On 12/7/2022 2:38 AM, 'Nick' via neonixie-l wrote:

I have some extras available - I'm in the UK...
BD-301 x 6
BX-1000 x 1
BX-2005 x 2
6700 (BD-301) x 1
6700 x 1

Contact me off list if interested...

Nick

On Tuesday, 6 December 2022 at 02:13:16 UTC LB wrote:

Hi everyone,

I recently decided to begin designing a nixie clock with as few
semiconductors as possible, and that has lead me to dekatrons and
Beam-X tubes. I've never seen a clock that uses beam switching
tubes, and I was wondering if anyone has any they would be willing
to sell. I'll need at least 4 tubes in total. I'm looking
specifically for the following types:

  * BX-2000
  * BX-2004
  * BX-1000
  * (any electrically equivalent tube)

There is a listing on eBay currently, but the tube in the product
image has a big crack in the top, so that seems like a bit of a
gamble. If you have any and are looking to sell, send me a PM.
(Bonus points if you have the strange 26-pin sockets as well)

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Re: [neonixie-l] Wanted: Info on HP 1970-0062 Panaplex?

[Instrument Resources of America]

Hi Nick, No luck here in my cross references, nor at HP, nor at any of 
the part number on line search sites, nor on the internet. Something 
does not seem correct here. Please provide a pic of the part, the model 
number of HP equipment it was used in, a pic of the 'part number', and 
as good a description of the part as possible, and I may be of more 
help.  Ira.


On 12/15/2022 6:24 AM, Instrument Resources of America wrote:


I hate to tell you this but HP often marched to the beat of a 
different drummer, in that many times their IN HOUSE made parts had 
'NO'  commercial equivalents. I will look later this morning to see if 
I can find something for you, but DON'T hold your breath!!!    Ira.


On 12/15/2022 4:17 AM, 'Nick' via neonixie-l wrote:

Hi

I've been looking for cross-reference information on HP 1970-0062 
displays - the usual places (Sphere etc.) don't seem to have anything 
on these. Atualy displays would be good too!


Any information gratefully received!

Nick



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Re: [neonixie-l] Wanted: Info on HP 1970-0062 Panaplex?

[Instrument Resources of America]

I hate to tell you this but HP often marched to the beat of a different 
drummer, in that many times their IN HOUSE made parts had 'NO'  
commercial equivalents. I will look later this morning to see if I can 
find something for you, but DON'T hold your breath!!!    Ira.


On 12/15/2022 4:17 AM, 'Nick' via neonixie-l wrote:

Hi

I've been looking for cross-reference information on HP 1970-0062 
displays - the usual places (Sphere etc.) don't seem to have anything 
on these. Atualy displays would be good too!


Any information gratefully received!

Nick
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Re: [neonixie-l] Trigger Tube Nixie Clock

[Instrument Resources of America]

That's the most 'orange glow' that I have ever seen in one 
box,ever!!!    Ira.


On 10/22/2022 2:13 AM, 'Grahame' via neonixie-l wrote:


Hi All

Wolfgang Tulatz in Germany has put a Trigger Clock 3 into a case (more 
than I have done, my boards are languishing in a built and tested 
state and I still need to design a case).



Trigger Clock 3 is electrically the same as Clock 2 but built on a new 
PCB set. Details of the clock 2 electronics are here:


http://www.sgitheach.org.uk/nixie8.html

No kit is available but Nick Stock may have a few PCB sets for sale. 
The rest of the parts are not too hard to find. It is Open Design with 
further information here:


https://www.dropbox.com/sh/4yem3udpgaurs6d/AABg2xAfjiZxyR9E04tr1oSxa/Nixie%20Projects/All%20Tube%20Trigger%20Tube%20Clock%203%20-%20under%20development?dl=0&subfolder_nav_tracking=1

Grahame







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Re: [neonixie-l] IV-17 Explorer Kits & ZM1350 Smartsocket Boards — Both With Tubes

[Instrument Resources of America]

I have not looked into this yet, but my suspicions are that most of what 
is being shipped from Ukraine must be far removed from the fighting and 
war zone.    Ira.



On 9/5/2022 2:39 PM, 'Greg P' via neonixie-l wrote:
This seller is some kind of estate liquidator I'm convinced of that.   
Some of the clocks he sold could be traced by serial numbers and the 
original buyer has since passed away.  Again, this is my speculation 
based on the deceased and where this seller is located, both in 
Northern New Jersey, Metro NY area.


As far as the sex toys, who knows maybe they bought out one of those 
seedy places in Times Square.




On Monday, September 5, 2022 at 1:07:28 PM UTC-4 Terry Bowman wrote:


On Sep 5, 2022, at 8:44 AM, Craig Smuda  wrote:

Just bought some IN-18s and an older nixie-tester kit, received
extremely quickly and in good shape. A data point to add- the
items were shipped from Brighton Beach in NYC, a major Russian
and related language outpost. So it could well be the seller saw
an area of opportunity for importing and branched into it- there
are a number of things like the nixie testers which a collector
wouldn't have many multiples of.


I'm surprised that so much is still shipping from Ukraine. There's
been an increase in new listings of Nixie et al on eBay in recent
months. I've never seen many of the sellers before and they're
from all over the map. Some US sellers are asking low-end market
prices.



Regardless, will vouch for a good experience, at least for the
nixie stuff, can't comment on the sex toys.


Well, Saturday I received a package containing an all-in-one
beginner's bondage kit. I suppose that someone else now has my
IV-17 Explorer kit. No doubt they intended to do a different kind
of exploration and are quite disappointed.  o_O


BTW, he has two more Explorer kits today. The price has almost
doubled:

https://www.ebay.com/itm/185561825127


Terry Bowman, KA4HJH
"The Mac Doctor"

"There is no Main Street anymore except at Disneyland—and try and
buy a gun there"—Hank Hill

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[neonixie-l] A little help please

[Instrument Resources of America]

I have a requirement for a small low power H.V. power supply and am 
wondering if anyone here can point me in the right direction, since 
almost all of you work 170 V plus supplies for the Nixie clocks. I have 
a circuit that requires about 350 VDC, with some adjustment would be 
nice, at a minimum of 5.8mA, I'd prefer to see 15mA perhaps even 20mA. 
Size is not too important as it's not going into a clock or watch. It 
does not even need to have a case on it, as I plan to mount it inside of 
an existing piece of test gear. The input should be 120VAC 60HZ. I 
assume that this is going to be some sort of switching regulator power 
supply, which is good, since I do need to have the output isolated from 
the A.C. line input. I tried Mouser and Ebay but perhaps I'm not looking 
for it correctly.  A manufacturers name, and or part number, and where 
to buy, any help would be appreciated,   Thanks,   Ira.


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Re: [neonixie-l] Re: John Smout...

[Instrument Resources of America]

My sincerest condolences to Mr John Smouts' friends and family. Ira.




On 8/8/2022 5:26 AM, 'Bogdan Paduraru' via neonixie-l wrote:
I am really sorry about such sad news / personal lost and, on the same 
time, thank you that you shared his website in the community,  he 
really had some very interesting/spectacular ideas on watch design


On Monday, August 8, 2022 at 10:47:33 AM UTC+3 Nick wrote:

PXL_20220807_120126018.jpg

On Monday, 8 August 2022 at 08:46:18 UTC+1 neonixie-l wrote:

It's with a heavy heart that I have to report the passing of
my friend and one of our most creative and generous members,
John Smout. John had been seriously unwell for some time and
already outlived his doctors' predictions.

John, apart from being a long-time moderator on this group (as
"Nixcited delighted") was a polymath with interests and
contributions in many fields, from ancient Greek underground
temples to pinball machines, music and of course, nixies.

He was a graphics designer by profession, but was also a model
maker and creator, working for films such as Alien (the space
suits) and major organisations including the Science Museum in
London.

He was generous with his time, wit & expertise and possessed a
fearsome intellect - a quick look round our house revealed 5
of his clocks, not one of which was "a block with 4 nixies
sticking out of it" (he wasn't impressed with the "ordinary").
His web site, https://www.clock-it.net/, shows the level of
his originality - nothing repeated, all original. He was also
one of the very earliest, if not the first, to come up with
the idea of an "approximate clock" using alphanumeric VFDs and
was always interested in the visually unexpected.

All those that had the pleasure of knowing John will miss him
greatly.

Nick de Smith

(please excuse the rather poor quality of the photos below -
they were taken quickly...)


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Re: CK1414 Monoscope - was Re: [neonixie-l] What kind of display is this?

[Instrument Resources of America]

IIRC the FAA used a lot of these!!  Airport radars.   Ira.



On 5/30/2022 3:17 AM, 'Nick' via neonixie-l wrote:

I also believe that they were used for text on RADAR displays.

There were a lot of variants of the CK1414 - the suffix specifies the 
mask in the tube - it's the mask that determines what characters the 
tube can generate.


I have two types here - CK1414-07 (Brimar) & CK1414F10C (Raytheon) - 
they generate different characters.


Some larger users had custom masks made for specific applications 
(e.g. RADAR screen symbols).


Nick

On Thursday, 12 May 2022 at 22:43:52 UTC+1 Jens Boos wrote:

This is so cool! Thanks for sharing, much appreciated!

Best wishes
Jens

On 2022-05-12 12:06 p.m., Toby Thain wrote:
> On 2022-05-12 11:41 a.m., Adrian Godwin wrote:
>> So it's a thermionic character-generator ROM ?
>>
>
> TubeTimeUS, who for all I know is on this list, has blogged in
detail
> about these:
>
> http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/
>
> https://twitter.com/TubeTimeUS/status/1002324117226287104
>
> I own a handful of these tubes so I'm keen to recapitulate their
work.
>
> --Toby
>
>
>
>> On Thu, May 12, 2022 at 4:31 PM Nicholas Stock > > wrote:
>>
>>     It's a 'monoscope'reads off letters on the end plate...
>>
>> http://ed-thelen.org/comp-hist/CK1414.pdf
>>     
>>
>>     On Thu, May 12, 2022 at 8:27 AM jb-electronics
>>     mailto:webm...@jb-electronics.de>>
>>     wrote:
>>
>>     I should probably know, but how does this generate the
>>     characters, and
>>     where can I read them off?
>>
>> https://www.ebay.com/itm/354047743434
>>     
>>
>>     Cheers
>>     Jens
>>
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>>

.

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Re: [neonixie-l] Interesting all-transistor clock with analogue dividers

[Instrument Resources of America]

Also known as stairstep generators. Commonly used to step the base 
current, in such things as Tektronix transistor curve tracers, while the 
collector is being swept. Ira.





On 9/16/2021 6:29 AM, 'John Rehwinkel' via neonixie-l wrote:

Ananlogue dividers??? Do you mean perhaps hetrodyne mixers?


No, they're more like pulse accumulators with thresholds:  after N 
pulses, the threshold is reached and it dumps the accumulator 
capacitor and pulses the output.


- John

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Re: [neonixie-l] Re: Estate sale in Huntsville Alabama 26th-28th according to Nixie Clock Fan Page at Facebook!

[Instrument Resources of America]

Is there a website?  Thanks,   Ira.




On 8/17/2021 10:37 AM, 'Nick' via neonixie-l wrote:
Just to note that there are an enormous number of nixies there, plus 
clocks and whatever... all very high quality...


The auctioneers and family are aware of the value of these items and 
are being advised by neutral parties, so prices will be in line with 
market rates for all items


Having said that, there's a awful lot of stuff there that doesn't come 
round often so this would be a rare opportunity to acquire something 
unusual. Very interesting stuff. I'm not buying, but it's definitely 
worth a look.


Nick

On Monday, 16 August 2021 at 20:37:29 UTC+1 Dekatron42 wrote:

Not my information nor do I have nay connection but according to
information in the group at Facebook there is going to be an
estate sale there which from photos shows rare nixies (ZM5680,
looks like a few Rodan CD12/27 or so and many many others) - so if
you aren't a member in that group become one now and check it out!

Sadly live halfway around the world :( but I need my money for
other things anyway. :)

/Martin

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Re: [neonixie-l] Way off topic...tachometer circuit..

[Instrument Resources of America]

Automobiles are NOT the cleanest environment in town. Is it possible 
that dirt has entered the movement?  Is it a highly sealed movement? I 
sort of doubt that being an in expensive auto product. Does it have a 
removable lamp on the meter where dirt could get in?    Ira.


On 8/16/2021 3:53 PM, 'orange_glow_fan' via neonixie-l wrote:
Thanks guys, that pretty much lines up, with what I was 
thinking...Sadly, since it seems to be frequency based,  I don't see a 
failure mode that would duplicate the problem I'm having other than 
the meter itself.


It's odd as the problem first showed up when the sense wire, connected 
to the coil, came loose at the coil  and  made the tach operation very 
intermittent After fixing the wire I was left the meter stopping at 
~3,000rpms. Before the wire came loose the tach worked fine. It's a 
PITA to remove the dash to pull the tach..


On Friday, August 13, 2021 at 4:29:08 PM UTC-4 Mark Moulding wrote:

I think bunge.pip described it pretty accurately.  (Charge pump /
voltage doubler - tomato / tomahto)  In this case the doubler
actually generates a voltage that's negative with respect to
ground, which is why the meter polarity is "backwards".  All the
circuitry to the left of the module is just wave shaping to clean
up the pulses from the distributer, and VR1 is the voltage
regulator.  Actually, it seems to me that a regular Zener should
work there - I wouldn't think you'd need back-to-back devices...

I may just have to breadboard this up and play with it a bit.  If
I were to design this from scratch, I think I'd use a 555 in a
monostable configuration, triggered via a small capacitor from the
the coil input.  Again, the meter needle mass would act as a
low-pass filter for a train of fixed-width pulses whose frequency
was related to engine speed (3/rev for a 6-cylinder?).
~~
Mark Moulding

On Thursday, August 12, 2021 at 7:04:53 AM UTC-7 bung...@gmail.com
wrote:

It's a charge pump. VR1 fixes the pulse amplitude so the tach
is not sensitive to battery voltage. C2 determines the charge
per pulse and the meter averages the current because it cannot
follow the pulses fast enough. R6 calibrates it.
I suggest putting a 'scope on it and follow the pulses from
the input. Are the pulses on the collector clean and of the
same duration and amplitude, and do they keep increasing in
frequency and follow the input rpm?
Check it on the bench, not in the car. You can calibrate it
against a pulse generator when it is fixed.

On Thu, Aug 12, 2021 at 9:17 AM 'orange_glow_fan' via
neonixie-l  wrote:

I hope I can be forgiven for this.. ;) I had a TIA in
February and my head still isn't working quite right..

Going to have to work on my OLD (1962) GM tachometer. It
will only go up to 3,000rrpms,  then stop. It really
doesn't 'look' like the meter movement sticks at that
point, though I guess  it could..

I understand the circuit operation up to a point. It's
pretty simple. I'm not sure of the part I circled. Do C2, 
CR2and CR3 make up a voltage doubler? Also what is VR1
for. They suggest using two 9vdc zener diodes stacked
cathode to cathode as a replacement.

tach.sch1.5.png




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Re: [neonixie-l] Need 2 Z5680M …Yes it was the DANG CAT!

[Instrument Resources of America]

I've got one full one here myself.  Ira.


On 6/23/2021 11:31 AM, 'John Rehwinkel' via neonixie-l wrote:
I did just buy another full NIM crate yesterday, all Ortec.  Because 
eight full ones and additional 150 modules just weren't enough I 
guess. Man, I pity the fool who gets to dispose of my estate when I 
croak.  Likely my nieces...


We used to call them CAMAC crates and NIM bins.

- John

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Re: [neonixie-l] IV-19 Pinout confirmation

[Instrument Resources of America]

Rhymes with _ _ _ _ _  _ _ _


On 3/27/2021 9:22 AM, 'Ian Vine' via neonixie-l wrote:

Glassholes :)


On 27 Mar 2021, at 15:00, Richard Scales  wrote:


As it happens I am using the traditional pin sockets that have the 
tube sitting above the board but I am also having 'glassholes' as i 
have allowed for illumination from behind, just in case that works.
I made Paul Andrews thyratron clock which also allows for lighting 
from behind despite the fact that the tubes are mostly opaque. The 
glass surround gets the illumination which can look good.

- Richard

On Sat, 27 Mar 2021, 14:37 gregebert, > wrote:


There's a "highly technical" term that I use for those PCB
allowances for the filling nib: They are glassholes

On Saturday, March 27, 2021 at 5:40:26 AM UTC-7 jrehwin wrote:

> Ignoring the physical dimensions,

I will point out that if you plan to use in-board pin
connectors, you'll want to allow a central opening for the
exhaust tip. If you're using above-the-board type connectors,
it's less likely to be an issue.

- John

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Re: [neonixie-l] Magnetic deflection yoke winding

[Instrument Resources of America]

FYI ALL 28 volumes of the M.I.T. Rad Lab series are available as PDF 
files somewhere on the net for those who would like to have them.  I 
managed to download the complete set. Lots and lots of good information. 
If you can't find the volume that you want I 'may' be able to send it to 
you.        Ira.



On 2/4/2021 7:40 PM, 'John Rehwinkel' via neonixie-l wrote:

Has anyone created new magnetic deflection yokes for crts that are
obtained without them? Seems like an ideal application for 3d printing
but yet a daunting project.

Are there any books, recommended project examples, or other resources
that might help in yoke design?

The tubetime.us  website had a nice writeup on
making and driving yokes (there was a nice pic of one made out of a
toilet paper tube with slots cut in it).

Ah yes, I know TubeTimeUS, I will check it out.

It looks like the site has just been overhauled and I can't find that article 
any more, but hopefully it's retrievable.


It referenced the book Cathode Ray Tube Displays (1966) which has an
entire chapter on the theory, design and building of deflection yokes.
  It's a great resource,
and might be what you're looking for.

Thanks John. I have the MIT RadLab publication of that title (more like
1948!) but perhaps you mean a different one? If so who is the author?

Here are the details:

Edited by Theodore Soller, Merle A. Starr, and George E. Valley, Jr.

Office of Scientific Research and Development
National Defense Research Committee

Published in the US by Dover Publications, in Canada by General Publishing 
Company, Ltd., and in the United Kingdom by Constable and Company, Ltd.

Ah, here we are:

"This Dover edition, first published in 1966, is an unabridged and unaltered 
republication of the work first published by McGraw-Hill Book Company, Inc. in 1948.
  It is made available through the kind cooperation of McGraw-Hill Book 
Company, Inc.
  This book was originally published in volume 22 in the Massachusetts Institute of 
Technology Radiation Laboratory Series."

So it is apparently the same book you already have.

- John



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Re: [neonixie-l] Re: Fascinating film about 1960s colour CRT manufacturing

[Instrument Resources of America]

The same was true about black and white crt's, all were round for quite 
some time. IIRC the first 21" round color crt was a 21AXP22?   Ira.



On 1/7/2021 2:40 PM, 'orange_glow_fan' via neonixie-l wrote:
When Color TV's first came on the market in the early 50's all of them 
had round CRT's. The first ones were 15" CRT's. Around 1954 RCA 
introduced a 21" round CRT and they were the standard until around 
1963 when the first rectangular CRTS entered the market. I suspect 
this film was made during the short  time when both versions were 
available. The first practical, consumer color tv was introduced by 
RCA in 1953 and they sold about 4,000 of them at a cost of $1,000, 
about $8,000 dollars in 2021 dollars...



On Thursday, January 7, 2021 at 4:19:16 PM UTC-5 Bill van Dijk wrote:

I believe the round tubes were for the cheaper TVs.

*From:*neoni...@googlegroups.com
[mailto:neoni...@googlegroups.com] *On Behalf Of *Yohan Park
*Sent:* Thursday, January 07, 2021 3:50 PM
*To:* neonixie-l 
*Subject:* [neonixie-l] Re: Fascinating film about 1960s colour
CRT manufacturing

Enjoyed watching that, thanks for sharing.
Any idea what the large round tubes were used for back then?

On Thursday, January 7, 2021 at 1:40:27 PM UTC+1
mikeselectricstuff wrote:

https://www.youtube.com/watch?v=7IrSLPVkxCo

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[neonixie-l] red lens filter material.

[Instrument Resources of America]

Hi all,

    I am in need of a small piece of the 'red lens filter material' 
that was quite often placed in front of Nixie tubes in test equipment. 
Does anyone know if it is still available, and from where in small 
quantities??  I need a piece about 2" X 7" Thanks,  Ira.


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Re: [neonixie-l] 1961 Heathkit Catalog

[Instrument Resources of America]

Get a pan off of the stove that you use to cook in every day, pour it in 
there, THEN stick your hand in it. After playing with it, pour it back 
into the flask, and put the pan back on the stove. Problem solved!!!    Ira.



On 5/27/2020 6:50 AM, 'jf...@my-deja.com' via neonixie-l wrote:
We kept ours in an Erlenmeyer flask, and I could never get my hand 
past the bottleneck.


On Wednesday, May 27, 2020 at 1:06:26 AM UTC-7, Terry Kennedy wrote:


I grew up in a time where in elementary school you got to dip your
hand up to the wrist in a bottle of mercury,

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Re: [neonixie-l] 1961 Heathkit Catalog

[Instrument Resources of America]

I had to repair my 45 plus year old Sharp kitchen microwave oven just 
last week. A relay's coil terminal, solder joint on the PCB was 
completely cracked all the way around the pin. Re-soldered it and works 
just like new. I chalked it up to the constant vibration of the door 
being shut.   Ira.



On 5/2/2020 3:24 PM, 'jf...@my-deja.com' via neonixie-l wrote:
It was meant as a joke.  I still use SnPb eutectic solder, and I think 
my ~1 kg is a lifetime supply  I think I can blame this for my 
dumbness, since I used to hold the solder in my teeth during 
construction and repair.


I have this religious belief, scientifically not proven, that Pb-free 
solder made some of the surface-mount boards in my car less reliable.  
There were some medium-power current-limiting resistors where one of 
the solder joints eventually cracked ad left an open circuit.  I blame 
this on the ROHS solder being more brittle and the thermal cycling 
eventually fatiguing and cracking the solder after 5-10 years.


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Re: [neonixie-l] MPSA42 or MJE340?

[Instrument Resources of America]

I have a couple of 575 that I might sell, either as is, or reconditioned 
and calibrated (not inexpensive), with an operators manual. I also have 
the 575 mod 122C which sports a 400V collector sweep power supply. The 
audio people are crazy over them because they can be converted for TUBE 
curve tracing. If interested contact me OFF of this page.   Ira.



On 4/24/2020 8:41 PM, 'jf...@my-deja.com' via neonixie-l wrote:
You might have to settle for one of the more modern transistorized 
curve tracers.  In the last century when 500-series scopes were going 
for $20-$50, I remember talking to someone at one of the ham swaps.  
He said that they were being bought up and cannibalized by the 
audiophools because they were full of 12AX7s and other coveted tunes.


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Re: [neonixie-l] Raytheon Monoscope - badly corroded pins

[Instrument Resources of America]

The original monoscope tube dates back to the 1930's when RCA first made 
its 1898 a 3" diameter electrostatic deflected tube, looking much like 
any other 3" inch CRT. Except for the pin in the center of the screen. 
It produced a video signal of a 'girls head' when its internal target 
plate was scanned. Then came the 1899 a 5" diameter magnetically 
deflected tube which produced the 'Indian head' test pattern that many 
television stations would broadcast when they ceased their regular 
programming for the day, usually around one, or two A.M. I myself, as 
I'm sure there must be others here as well, are old enough to remember 
seeing this Indian head test pattern being broadcast late at night. 
Eventually the 1899 became customizable with just about anything that a 
station would want, circles to be used for linearity, height, and 
centering adjustments, wedges for resolution and video bandwidth 
measurements, plus the stations call sign. The 1899 was replaced by the 
2F21 about the mid 40's. These monoscope tubes and their supporting 
vacuum tube electronics were called monoscope cameras. Regular 
televisions cameras were not used for the purpose of transmitting the 
test pattern for fear of burn in on the expensive, image orthicon camera 
tubes, and unnecessary added hours of wear and tear. RCA also made a 
1698 2" diameter 'character generator' monoscope, (similar to the 
Raytheon CK1414 being discussed here,) primarily used by the U.S. army 
during the 1950's. For those of you who are curious enough to see a good 
pic of the RCA TK-1A 'monoscope camera', and it's 2F21 monoscope tube, 
plus some reading material, you can go here, 
http://www.chalkhillcom.com/museum/RCA2.htm    I have these tubes as 
part of my tube collection, except for the 1899.  Hope that all enjoy 
the reading,   Ira.



On 2/14/2020 3:54 PM, Mac Doktor wrote:

On Feb 14, 2020, at 2:11 PM, Toby Thain  wrote:

Thanks very much for the suggestion! Even the glass etching ability
sounds quite useful for other purposes. (Tangent: I wonder if that could
be used for edgelit projects...)

Also a very effective way to give an expensive brass model locomotive enough 
"tooth" on the surface for the paint to stick permanently. Pickling is always a 
fall-back.



By the way, what is a "Monoscope"?  I've never heard the term before.

Here's the brochure:

  http://www.frank.mif.pg.gda.pl/other/Raytheon/Raytheon_symbolray_an.pdf

And @TubeTimeUS got one working:

  http://tubetime.us/index.php/2018/06/04/a-vacuum-tube-rom/

I have a couple of these. $15 apiece at a hamfest. I had no idea what they were 
but they were too cool to pass up. It took me several minutes to figure out 
what they were after I got home. I finally looked in at just the right angle 
and as soon as I saw some letters the lights came on.

I think both have leaked, unfortunately. Really did have me going for about 
five minutes.


Terry Bowman, KA4HJH
"The Mac Doctor"

https://www.astarcloseup.com/

“The book said something astonishing, a very big thought.
It said that the stars were suns, only very far away.
The Sun was a star, but close up.”—Carl Sagan, Cosmos, 1980




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Re: [neonixie-l] Re: 14-digit nixie calculator project with clock function

[Instrument Resources of America]

What???  No 'trig' functions?  All kidding aside, a very nice job 
indeed. You should be very proud of that.   Ira.



On 2/12/2020 5:45 AM, newxito wrote:


Here is the finished IN-17 calculator. I thought programming a 
calculator would be a 2 hour job. I was wrong...


For this project I switched to VS Code, PlatformIO and Git. I think it 
was worth the effort, the editor is great with the IntelliSense thing, 
really helpful.


I will now make an IN-16 version, I already have the boards.



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Re: [neonixie-l] P12 Phosphor CRT

[Instrument Resources of America]

The date today is the '12th',,is this an omen to buy 
P12 CRT's???  Could be!!!      Ira.



On 2/11/2020 9:57 PM, Richard Scales wrote:
+1 for stopping this temptation right now - I want it - I just know I 
cant have it, desist - step away from the discussion!
Perhaps a new group is required - one which I would not be allowed to 
join.


On Wednesday, 12 February 2020 02:35:48 UTC, Paul Andrews wrote:

Please stop it. I don’t even have enough room for my current toys,
nor time to work on all my projects. I don’t need more distractions!

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Re: [neonixie-l] P12 Phosphor CRT

[Instrument Resources of America]

That's exactly what I've stated in several previous emails, but I'm not 
sure that they went through. YES!! P12 is an orange, medium-long, to 
long, persistence phosphor, primarily intended for radar use, such as 
Plan Position Indicators, PPI's. To this day don't know how the radar 
men, on the ship that I was on, sat there in front of those PPI's for up 
to eight hours at a time, without having their eyes bug out, or go 
batty.    Ira.



On 2/11/2020 4:28 PM, Charles MacDonald wrote:

On 2020-02-10 11:05 a.m., Nicholas Stock wrote:
Other tubes with P12 phosphor are 3JP12’s as far as I can tell. Some 
of the datasheets for others say they were available as P12, but I 
rarely find them for sale anywhere


the description from JEDEC says P12 was intended for radar. see attched)

some REGISTERED at P12 include 5CP12,5AJP12,7LP12,16AFP12, 7AGP12, 
3ACP12A, 19Wp12, 3BMP12, 17QCP12, 12AWP12, 5EKP12, 19DXP12.


the larger sizes are consistent with Radar use.

Sylvania or Dumont in Particular advertised that they would build ANY 
CRT with any available phosphor given a suitable sized order, so 
presumably any scope tube could have existed as a P12 - (or P7) version.




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Re: [neonixie-l] Re: Opto Coupler for PWM control - Sanity Check

[Instrument Resources of America]

The size of the digits would certainly have an effect on the particular 
resonant frequency.  I would think the larger, and therefore more 
massive digits, would have a lower resonant frequency.    Ira.






On 2/8/2020 7:29 AM, 'jf...@my-deja.com' via neonixie-l wrote:

On Friday, February 7, 2020 at 8:59:19 AM UTC-8, gregebert wrote:

...Some folks in this group have reported audible noise from
multiplexing

I am one of the people who reported singing in my multiplexed B7971s.  
More than 40 years ago, I also had a Panaplex/MM5314 clock that was 
sold as an evaluation kit.  It has been a long time, but I do not 
remember it producing acoustic noise.  Maybe the size of the digits 
makes a difference here.

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Re: [neonixie-l] Capacitor value help...

[Instrument Resources of America]

Further more, at least here in the U.S. the term nano farad nf was 
rarely if ever seen. Caps were always specified as uf, or pf. The term 
nf of diagrams, parts lists, etc. seems to be showing up quite a bit 
now.   Ira.



On 10/14/2019 9:29 AM, 'orange_glow_fan' via neonixie-l wrote:


Good morning guys,

Working on an old Grundig/Mercedes car radio and need some help 
identifying the value of some caps. The capacitors in question are 
marked 'nF' with a numerical value.


I included a copy of the power supply with two caps circled. How would 
I 'convert' this to microfarads? Would a 5nF cap convert to a .005uF?  
a 4.7nf convert to a .0047uF?



I posted this to a couple of tech oriented car radio forums and got 
conflicting answers...


Thanks, Kerry
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Re: [neonixie-l] Capacitor value help...

[Instrument Resources of America]

One nano farad  equals, 1 X 10 to the minus nine farads (one billionth 
of a farad).     E.G.   2500pf equals 2.5 nf, 1uf equals 1000nf.     Ira.



On 10/14/2019 9:29 AM, 'orange_glow_fan' via neonixie-l wrote:


Good morning guys,

Working on an old Grundig/Mercedes car radio and need some help 
identifying the value of some caps. The capacitors in question are 
marked 'nF' with a numerical value.


I included a copy of the power supply with two caps circled. How would 
I 'convert' this to microfarads? Would a 5nF cap convert to a .005uF?  
a 4.7nf convert to a .0047uF?



I posted this to a couple of tech oriented car radio forums and got 
conflicting answers...


Thanks, Kerry
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Re: [neonixie-l] HP clock wow.

[Instrument Resources of America]

The first  two times I included a direct link. This third time I meant 
to 'explain' how to get the manual, and promptly forgot to do so, so 
here's how. Go to hpmuseum.net.  On the left side of the screen at the 
bottom click on documents. Then when you reach that page put the model 
number of what you are looking for in the 'search' window on the left.  
Follow the rest of the instructions/ hoops to jump through (nothing 
serious) and you will get your PDF copy of the manual for the HP Clock 
59309A.    Sorry I didn't include all of this earlier.    Ira.



On 9/18/2019 4:28 PM, Instrument Resources of America wrote:


What's going on here???  I've pointed out TWICE now where this manual 
can be had for FREE and neither time has it shown up to this group. 
This is the 3rd time.     Ira.



On 9/18/2019 2:12 PM, 'Ian Vine' via neonixie-l wrote:
Must be rarer than the clock. The two together make it more 
collectible. Hp-ib bus . Now that take me back




On 17 Sep 2019, at 20:33, Tidak Ada <mailto:offl...@zeelandnet.nl>> wrote:


A bit expensive for an manual you probably can pick for free from 
the internet as a pdf file….


eric

*Van:*neonixie-l@googlegroups.com 
<mailto:neonixie-l@googlegroups.com> 
[mailto:neonixie-l@googlegroups.com] *Namens *martin martin

*Verzonden:* dinsdag 17 september 2019 3:47
*Aan:* neonixie-l
*Onderwerp:* Re: [neonixie-l] HP clock wow.

Here's a manual for it!

https://www.ebay.com/itm/HP-Hewlett-Packard-59309A-HP-IB-Digital-Clock-Operating-Service-Manual/391791021156?epid=1462831819&hash=item5b38908c64:g:WiYAAOxydB1Sk9jC



On Sunday, September 15, 2019 at 6:55:26 PM UTC-7, Kevin A. wrote:

Wow. From the days when HP actually engineered high end products...

On Sun, Sep 15, 2019, 9:47 PM Bill Notfaded  wrote:

http://www.hpmuseum.net/display_item.php?hw=741

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Re: [neonixie-l] HP clock wow.

[Instrument Resources of America]

What's going on here???  I've pointed out TWICE now where this manual 
can be had for FREE and neither time has it shown up to this group. This 
is the 3rd time.     Ira.



On 9/18/2019 2:12 PM, 'Ian Vine' via neonixie-l wrote:
Must be rarer than the clock. The two together make it more 
collectible. Hp-ib bus . Now that take me back




On 17 Sep 2019, at 20:33, Tidak Ada > wrote:


A bit expensive for an manual you probably can pick for free from the 
internet as a pdf file….


eric

*Van:*neonixie-l@googlegroups.com 
 
[mailto:neonixie-l@googlegroups.com] *Namens *martin martin

*Verzonden:* dinsdag 17 september 2019 3:47
*Aan:* neonixie-l
*Onderwerp:* Re: [neonixie-l] HP clock wow.

Here's a manual for it!

https://www.ebay.com/itm/HP-Hewlett-Packard-59309A-HP-IB-Digital-Clock-Operating-Service-Manual/391791021156?epid=1462831819&hash=item5b38908c64:g:WiYAAOxydB1Sk9jC



On Sunday, September 15, 2019 at 6:55:26 PM UTC-7, Kevin A. wrote:

Wow. From the days when HP actually engineered high end products...

On Sun, Sep 15, 2019, 9:47 PM Bill Notfaded  wrote:

http://www.hpmuseum.net/display_item.php?hw=741

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Re: [neonixie-l] Re: 8091 assembly

[Instrument Resources of America]

Well then. I dunno!!!   ?    Ira.


On 6/26/2019 3:42 PM, 'Greg P' via neonixie-l wrote:
It was the most recent feedback.  I saw it with my own eyes.  Wish I 
took a screenshot, but it was there and deleted later in the day.


On Wednesday, June 26, 2019 at 6:18:32 PM UTC-4, I wrote:

I don't understand that. My understanding is that once feedback is
left by the buyer, I know for a fact, from talking with an Ebay
rep, that the BUYER can NOT remove it. I believe that the same is
also true for the seller. HOWEVER it is my understanding that the
current feedback system is on a rolling 12 month system, so that
feedback that is older than 12 months is automatically deleted. Is
that what happened here??  If someone knows something different,
please let us all know.   Ira.


On 6/26/2019 3:01 PM, 'Greg P' via neonixie-l wrote:

Forgot to mention.  Seller deleted negative feedback.  When I
checked the listing this morning, there was negative feedback
posted by someone.  It's since been deleted.

Potential buyers seriously proceed with caution buying from this
seller.



On Wednesday, June 26, 2019 at 12:31:14 PM UTC-4, SWISSNIXIE -
Jonathan F. wrote:

Spottet this on ebay, if anyone is interested:


https://www.ebay.com/itm/NIXIE-GIANT-TUBE-3-IN-DIA-BURROUGHS-B8091-FULLY-TESTED-SET-OF-5/283528668460

?

And not such a "bad" price for this rare B8091s... i

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Re: [neonixie-l] Re: 8091 assembly

[Instrument Resources of America]

I don't understand that. My understanding is that once feedback is left 
by the buyer, I know for a fact, from talking with an Ebay rep, that the 
BUYER can NOT remove it. I believe that the same is also true for the 
seller. HOWEVER it is my understanding that the current feedback system 
is on a rolling 12 month system, so that feedback that is older than 12 
months is automatically deleted. Is that what happened here??  If 
someone knows something different, please let us all know.   Ira.



On 6/26/2019 3:01 PM, 'Greg P' via neonixie-l wrote:
Forgot to mention.  Seller deleted negative feedback.  When I checked 
the listing this morning, there was negative feedback posted by 
someone.  It's since been deleted.


Potential buyers seriously proceed with caution buying from this seller.



On Wednesday, June 26, 2019 at 12:31:14 PM UTC-4, SWISSNIXIE - 
Jonathan F. wrote:


Spottet this on ebay, if anyone is interested:


https://www.ebay.com/itm/NIXIE-GIANT-TUBE-3-IN-DIA-BURROUGHS-B8091-FULLY-TESTED-SET-OF-5/283528668460

?

And not such a "bad" price for this rare B8091s... i

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Re: [neonixie-l] Re: 8091 assembly

[Instrument Resources of America]

    The only saving grace here is that the seller has stated  "ALL have 
been tested in very good working order"  and therefore the buyer will 
have recourse on the seller through Ebay if otherwise. But I certainly 
do understand your concerns.   Good luck to all who may bid on these.   Ira.





On 6/26/2019 9:42 AM, 'Greg P' via neonixie-l wrote:
This seller has been fishing to sell these tubes for months.  He 
posted these plus 20 others on Facebook a few months ago.  I tried to 
make a private deal with him for over 2 months and wouldn't put a 
price on them.  Avoided the question every time we corresponded.  Also 
made excuses about having a friend test them before he would sell. 
 Anyhow, he reached back to me when they were "allegedly" tested and 
said make an offer.  I made an offer to purchase all 25 (which he 
found my price insulting, BTW) and proceeded to call me all kinds of 
names, accusations etc. (which I won't post here) and was downright 
vicious.  Maybe my offer was on the low side but you got to start 
negotiating at some point especially when he wouldn't give me a 
starting point.  He harassed me privately on Facebook until I had to 
block him.


Needless to say, if anyone is considering purchasing these, I'd be 
cautious.  Additionally, there are no pictures of any of these tubes 
lit in our private correspondence or on the ebay listing.


At $250/tube plus shipping overpriced in my book.  If anyone is 
considering and would like additional info, I'd be happy to converse 
privately and off the board.


Caveat Emptor!


On Wednesday, June 26, 2019 at 12:31:14 PM UTC-4, SWISSNIXIE - 
Jonathan F. wrote:


Spottet this on ebay, if anyone is interested:


https://www.ebay.com/itm/NIXIE-GIANT-TUBE-3-IN-DIA-BURROUGHS-B8091-FULLY-TESTED-SET-OF-5/283528668460

?

And not such a "bad" price for this rare B8091s... i

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Re: [neonixie-l] O.T.....really OT...

[Instrument Resources of America]

See if these folks can help *ANTIQUE AUTOMOBILE RADIO, INC., 700 Tampa 
Road, Palm Harbor, Florida 34683

Toll Free 800 933 4926 | (727) 785 8733
* sa...@antiqueautomobileradio.com 



Standard disclaimer. I have no connection what so ever to them.

Ira





On 6/21/2019 2:46 PM, 'orange_glow_fan' via neonixie-l wrote:

Hi Guys,

 Need to replace the vibrator based DC-DC 'converter' in an OLD (1952) 
Grundig car radio (in a Mercedes) I'd like to use something more 
modern..and reliable! The vibrator is a 5 pin version that I am 
unfamiliar with and I'm guessing it's made out of 'unobtanium.'.. 
(might be synchronous?)


 The board needs to supply around 225vdc. to a 5 tube radio. (no need 
to supply the filaments) The rub is that the car is 6 vdc. Is there 
anything on Ebay (or??) that would work?


I've included the schematic for informational purposes...
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Re: [neonixie-l] Hewlett Packard Power Cord

[Instrument Resources of America]

Have you thought about changing it over to the current style?? Ira.


On 5/7/2019 7:28 AM, 'Greg P' via neonixie-l wrote:
Anyone know where I can find a power cord for an old HP Frequency 
Counter that I just got.  Seems these have been obsolete for a while 
and Belden doesn't make them anymore.


I've checked Ebay and some are stupid expensive, almost as much as I 
paid for the counter.


This is the style...Any leads would be greatly appreciated
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Re: [neonixie-l] Re: The case of the singing nixie tube

[Instrument Resources of America]

The 'singing Nixie' in and of itself won't produce RFI on the A.M. band. 
The RFI will come from the electronics, including the elements of the 
Nixie tube radiating RF from the signals being applied to them, and 
would probably be plentiful especially in close proximity to the radio, 
unless very well shielded and power line filtered. The faster the rise 
time of the driving signals will be a factor in the RFI.   Irv



On 2/23/2019 8:04 AM, 'jf...@my-deja.com' via neonixie-l wrote:
Does it also produce RFI on the AM band?  My 6-digit B-7971 clock 
sings and produces RFI at the MUX rate


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Re: [neonixie-l] Nuts and Volts...magazine

[Instrument Resources of America]

I've been getting my issues. As far as I know they are doing well, and 
still publishing. If you want me to, I can look and see exactly what the 
date of the last issue is that I received. Ira



On 2/14/2019 12:59 PM, 'orange_glow_fan' via neonixie-l wrote:
Does anyone subscribe to this magazine? I haven't see a new issue 
since November and was wondering if they are still publishing it...



Kerry
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Re: [neonixie-l] Re: Dekatron DoHickie #1 glow gets "stuck"

[Instrument Resources of America]

Steel wool is absolutely forbidden around any and all electronics labs, 
production lines, facilities, companies, etc. that I've ever been in, 
around, or worked for, including my own lab for the last 50 years of my 
life. Not only because of the what should be the obvious issues around 
electronic items, but anything which is magnetic, think speakers, 
microphones, meter movements, motors, solenoids, etc.  If you absolutely 
have to use that stuff, try to do it outside, and then use compressed 
air to get rid of any bits and pieces.     Ira.



On 8/20/2018 12:51 PM, 'orange_glow_fan' via neonixie-l wrote:
Please be careful using steel wool. Little strands of the wire can get 
into places that could be fatal to unit itself. I would use some fine 
emery type paper on the pins. I would first try a contact cleaner such 
as Deoxit on both the pins and the socket.


Just trying to help...

On Sunday, August 19, 2018 at 12:46:21 AM UTC-4, threeneurons wrote:

On Friday, August 17, 2018 at 12:37:16 AM UTC-7, Terry Kennedy wrote:

I have Dekatron DoHickie #1 (January 2007) from Michael
Moorrees (Tortugascuba on eBay, I believe) which uses a Rodan
DK23 tube


1st on my list of possibilities, is  a bad connection. That old of
a dekatron dohickie, is not the kit (currently being sold), but
original version, sold as a complete unit:

DK23_DH05.jpg

Try cleaning the tubes pins with some steel wool, and take a small
round file to the socket holes. Try that first, and see what happens.


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Re: [neonixie-l] B6091 Radaitor Clock

[Instrument Resources of America]

Very nice job. Really cool. IMHO, it truly lends new meaning to 'Steam 
Punk,' and that's a good thing.   Ira.



On 7/26/2018 5:27 PM, 'GeckospotNixie' via neonixie-l wrote:


I thought I would share the clock that I just finished on Monday.

I named it the “B6091 Radiator Clock”

















GeckospotNixie



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Re: [neonixie-l] Re: Time for my annual (?) question...mostly for David F....

[Instrument Resources of America]

I'm 70 and still very active. Walk 1-2 miles a day, try to eat right, 
NEVER smoked, and drink very little. I'm still doing everything myself, 
from repairs and new construction work around the place, car repairs, 
(never have paid a mechanic) etc. I wanna to stay alive spoil my 
grandson, be a pain the arse to my daughter, and to social security. 
LOL   Trying to stay away from Dr's. Too.   Ira.



On 6/14/2018 4:09 AM, 'orange_glow_fan' via neonixie-l wrote:

You're just a kid!

I turned 72 a couple of months ago. Up until the past two years I was 
holding up pretty good. A couple of surgeries slowed me down and 
slowly but surely time is winning the battle!


I do keep busy, I have different hobbies, and try to stay active.



On Thursday, June 14, 2018 at 5:19:00 AM UTC-4, Nick wrote:

How old is OLD?

I was 60 six weeks ago and will be swimming the Bosphoros for
charity six weeks from now...

https://www.justgiving.com/fundraising/legatumswimsquad


Just keep busy. Both physically & mentally...

Cheers

Nick

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Re: [neonixie-l] Re: Possibly offtopic - Vintage MV1 LEDs for sale

[Instrument Resources of America]

With that kind of terrible efficiency, and the horrendous cost, what 
exactly did engineers see in these things, at that time?? Ira.



On 4/13/2018 8:44 AM, 'jf...@my-deja.com' via neonixie-l wrote:

On Friday, April 13, 2018 at 8:27:35 AM UTC-7, Jens Boos wrote:

Is there a datasheet for this LED? I am really interested in the
current draw. (The voltage is fixed, more or less, by the
wavelength. So the current will tell us something about the
efficiency.) Jens

Google "GaAs LED  efficiency".  According to 
https://www.ele.uva.es/~pedro/optoele/LEDs/Bright_LEDs.pdf , before 
1973 the efficiency was  under 1% or under 0.2%, depending on the 
chemistry.

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Re: [neonixie-l] Re: Possibly offtopic - Vintage MV1 LEDs for sale

[Instrument Resources of America]

"insanely expensive" YES! That is true of any and all new technologies 
that I can think of. It wasn't that long ago that small flat screen, 
hang on the wall, televisions were several thousands of dollars. Now 
they are available NIB for under three hundred bucks.  The really large 
sets keep coming down in price as well. And the quality keeps getting 
better as well.      Ira



On 4/13/2018 6:24 AM, 'AnubisTTP' via neonixie-l wrote:
Yes, that $265 price is in 1969 dollars, the MV2 was insanely 
expensive when it was released. The MV2 was not really usable as an 
indicator though... it can only be seen in a darkened room. The only 
evidence I have ever found of them being used was in scientific 
experiments in the late 1960s. I have not been able to pin down a good 
price for what MV1s sold for in single quantities, but a 1968 price 
list I read listed them at $18 dollars each in quantites of 1000. It 
is my understanding that most of the assembly for these was done by 
hand... I have read accounts that say the dies were placed in the LEDs 
manually with a pair of tweezers.


The ones I am selling are not in the original packaging, they were 
found in a plastic sack with the word "MV1" written on it in marker. I 
also checked them under a microscope and they have the same die and 
internal construction as an MV1 I have that was still in it's original 
Monsanto packaging.


On Thursday, April 12, 2018 at 4:29:31 PM UTC-4, Terry Kennedy wrote:



Do you know what the list price for this was back in 1968? Your
MV2 article says "a new MV2 was approximately $265 dollars in
1969". Was that expressed in 1969 dollars, or in current dollars?
If in 1969 dollars, that was a HUGE sum - for the more youthful
people here, you could buy any one of a number of number of brand
new mid-range cars (and even some sports cars like the Opel GT
were in that range) for the low $3000's, and a VW Beetle was only
$1699.

How much of the production was hand assembly (you show several
production failures in your article)? Do you know if they ever
automated the line any further? I worked at a factory in the
mid-1970's that produced bases for crystal cans, and that was all
done by hand although the leads were purchased as pre-forms. One
of the factory's biggest sellers was the base for the Motorola
3.58MHz crystal that was used in many television sets.

Moving back on-topic, are the ones you have for sale loose pieces,
in the original clamshell, or in the later plastic bag?

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Re: [neonixie-l] Re: 26 In18 Tubes

[Instrument Resources of America]

    I'm back to report on my microwave oven experiment. Last night when 
it became dark out, I put a neon 'lamp' (NE-32) in my microwave oven and 
set it for one second. No results. So I upped the time to two seconds 
and it did light up nice and bright. I removed it from the microwave and 
examined it with a magnifying glass for any obvious, visual damage. None 
found. Repeated the same process twice more with the same results. I let 
the neon lamp rest  for about a minute between each test. This works for 
neon lamps, (alsomercury vapor rectifier tubes as previously mentioned) 
and did not harm the lamp or my oven. If anyone out there is going to 
try this on a Nixie, I'd suggest not going over one or two seconds and 
use a Nixie that you could afford to lose, just in case.


    Regarding the use of static electricity from a hair comb, as noted 
below. If you have another known source of static electricity in your 
home, such as but not limited to a blanket, carpeting, etc. you could 
also use that as well.   Ira.



On 4/4/2018 6:31 AM, 'marta_kson' via neonixie-l wrote:
Just use a common plastic hair comb. Use it to charge with static 
electricity and discharge to the glass bulb or the pins. Do it in a 
dark place. The neon will give off little flashes of orange light if 
it's there.

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Re: [neonixie-l] Pulsed DC vs direct DC in cathode poisioned

[Instrument Resources of America]

I fergit that we may be working with non EE's   Ira.


On 5/30/2017 10:22 PM, JohnK wrote:
err, watch the potential there. Scope earthed/grounded? Scope 
floating? HV supply earth/gnd referenced?


Maybe a different technique for a non-EE?

John K

- Original Message - From: "Instrument Resources of America" 


To: 
Sent: Tuesday, May 30, 2017 9:30 PM
Subject: Re: [neonixie-l] Pulsed DC vs direct DC in cathode poisioned



No need to lift the anode resistor. Just place a scope across it, and
measure the voltage pulses, and then calculate the pulse current.   Ira.


On 5/29/2017 10:08 PM, Trumpeter wrote:
If I lift the annode resistor I can take a measurement in line 
between the resistor and where it is soldered to the board no? Maybe 
I'm doing this wrong?




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Re: [neonixie-l] Pulsed DC vs direct DC in cathode poisioned

[Instrument Resources of America]

Sorry!!! I guess that I'm not paying attention!!  ;>(   Ira.


On 5/30/2017 5:38 AM, Luka C wrote:

@Ira, I think he already mentioned that he does not own a scope. If we knew the 
model of the clock, maybe there would be someone who knows such data from the 
firmware of the clock. Btw, if the tubes are NOS and have been running since 
January 2017, then there is something seriously wrong with the mentioned clock? 
Does it have anti-cathode poisoning routines activated and how often?



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Re: [neonixie-l] Pulsed DC vs direct DC in cathode poisioned

[Instrument Resources of America]

No need to lift the anode resistor. Just place a scope across it, and 
measure the voltage pulses, and then calculate the pulse current.   Ira.



On 5/29/2017 10:08 PM, Trumpeter wrote:

If I lift the annode resistor I can take a measurement in line between  the 
resistor and where it is soldered to the board no? Maybe I'm doing this wrong?



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Re: [neonixie-l] Pulsed DC vs direct DC in cathode poisioned

[Instrument Resources of America]

How are you measuring the current when the tube is in the CLOCK??  Ira.


On 5/29/2017 7:01 PM, Trumpeter wrote:

Hello gents,

Some of you may remember the issues I have had with cathode poisioning on my 
in18 clock.  I have been using a heathkit ip17 to repair the cathodes which has 
had some success, though the positioning has creeped back in most cases.

One thing I have noticed is the tubes seem to light better/more evenly with the 
dc current from the ip17 than the PSU in the clock.  It has had me wondering if 
there is something to the pulsating dc used in these modern clocks to control 
brightness, perhaps this can cause some tubes to develop poisioning more 
quickly?  I ask because I can have a tube run for hours on the ip17 at 5mA then 
on the clock at the same current the same digit is poisioned within an hour or 
less. Why wold this occur?



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Re: [neonixie-l] misprint nixie tubes!

[Instrument Resources of America]

Chinese spelling!!!  LOL  Ira.


On 5/19/2017 12:36 PM, SWISSNIXIE - Jonathan F. wrote:


Some of you may know about postal stamps that have small printing 
errors - these are usually very rare and worth a fortune - not sure if 
that counts for nixies too! ;)


However, a few days ago i aquired some 1970 0009 from National 
Electronics from ebay, they were stated as "misprint". And yes, 
NATIONAL ELECTRONICS is printed as *NATIONAL ELECSRONICS.


*I do think this is a real production error, not an made up fake or 
so, since the tubes were cheap (not selled extra expensive because the 
misprint) and the color and printing looks very authentic to other NL 
tubes i own. My best guess is that the used some kind of machine-stamp 
that can be set to different positions (like the stamps you can use 
for stamping a date today, and rotate the the wheel to get tomorrows 
date). The T from Electronics became a S, so i guess the position was 
accidentally set to S instead of T...



See attached images for those who are interested.
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<>

Re: [neonixie-l] Re: receiving counrty pays the cost of postal transport

[Instrument Resources of America]

Thank you Paul Harvey from the beyond!!!   LOL   Ira.


On 5/16/2017 12:49 PM, 'Terry S' via neonixie-l wrote:

And now, the rest of the story.

The Chinese government also subsidizes the postage, so that cost for 
their exporters is low. That's how you can pay .99 for the product AND 
shipping.
Clearly they also subsidize the cost of the product itself. There is 
NO economy where they can build, package, market, sell, and ship a 
tool of any flavor for .99. And make money.


Terry

On Tuesday, May 16, 2017 at 10:32:15 AM UTC-5, philthepill wrote:

Wa back in the late 1800's when worldwide postal service began
this was the problem - who pays the receiving country  when I send
a letter to a person in another country ( and their postal
system).   So most of the countries of the world got together and
signed the declaration of the Universal Postal Union.   It said
the sending country pays the cost of delivering mail to a foreign
country then the receiving country delivers the foreign mail
without any cost to the sender. You do it for our country and we
do it for yours.  It worked well when postal volumes between
countries was small but now the world buys millions of items from
China daily with delivery via postal mail but very few Chinese buy
anything from the rest of the world. So the receiving countries
are spending millions delivering foreign packages and the
tax-payer is on the hook.

We now subsidize shipping from China !Welcome to the world
of being taken to the cleaners.


-- Original Message --
    From: Instrument Resources of America >
Date: May 15, 2017 at 10:01 PM

Speaking of Chinese, I ordered an attachment for my Dremel tool
from China about three weeks ago. It arrived yesterday in the
U.S. Mail, as items from China always do. TOTAL cost for the ITEM
and the S & H $.99 (ninety nine cents). Can anyone here tell how
that is done?? Especially since it involves the U.S. Postal
Service??? Thanks Ira.


On 5/15/2017 6:43 PM, 'threeneurons' via neonixie-l wrote:

I thought eBay's Global Shipping Program (GSP) was a bad idea,
from the get-go ! Just another reason not to use it.

When they introduced it, they automatically enabled it, in your
settings. You had to go into your account settings, and turn it
off. In general, its a rip-off ! Just another eBay "profit
center". Its bad enough that shipping things to outside the US,
starts at ~$13.50, for a minimal weight parcel (and upto 8 oz),
but if I remember, the fees the GSP charges, are way above that !

Before 2012, you could ship things international, for ~$5.
Before 2005, the postal service still had "surface mail", which
meant they waited until a shipping container was filled up,
before sending your parcel off, on a slow boat to oblivion. Cost
was cheap, though it may take up to 3 months to get to your
destination. Chinese still do the same thing, though it probably
takes well less than a week to fill up one of their containers.

Its best to pack the parcel yourself. Have you ever seen how
most parcels arrive from Amazon, Granger, or McMaster ? The
item(s) are usually tossed into the box, then those inflatable
bags are tossed in on top of it. Padding is most often just the
thickness of the cardboard box. That's fine for screws, and
books, and even my kits. But not something you want to see when
shipping a CRT !

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Re: [neonixie-l] Re: receiving counrty pays the cost of postal transport

[Instrument Resources of America]

Aren't their wages terribly, artificially low also??   Ira


On 5/16/2017 12:49 PM, 'Terry S' via neonixie-l wrote:

And now, the rest of the story.

The Chinese government also subsidizes the postage, so that cost for 
their exporters is low. That's how you can pay .99 for the product AND 
shipping.
Clearly they also subsidize the cost of the product itself. There is 
NO economy where they can build, package, market, sell, and ship a 
tool of any flavor for .99. And make money.


Terry

On Tuesday, May 16, 2017 at 10:32:15 AM UTC-5, philthepill wrote:

Wa back in the late 1800's when worldwide postal service began
this was the problem - who pays the receiving country  when I send
a letter to a person in another country ( and their postal
system).   So most of the countries of the world got together and
signed the declaration of the Universal Postal Union.   It said
the sending country pays the cost of delivering mail to a foreign
country then the receiving country delivers the foreign mail
without any cost to the sender. You do it for our country and we
do it for yours.  It worked well when postal volumes between
countries was small but now the world buys millions of items from
China daily with delivery via postal mail but very few Chinese buy
anything from the rest of the world. So the receiving countries
are spending millions delivering foreign packages and the
tax-payer is on the hook.

We now subsidize shipping from China !Welcome to the world
of being taken to the cleaners.


-- Original Message ------
From: Instrument Resources of America >
Date: May 15, 2017 at 10:01 PM

Speaking of Chinese, I ordered an attachment for my Dremel tool
from China about three weeks ago. It arrived yesterday in the
U.S. Mail, as items from China always do. TOTAL cost for the ITEM
and the S & H $.99 (ninety nine cents). Can anyone here tell how
that is done?? Especially since it involves the U.S. Postal
Service??? Thanks Ira.


On 5/15/2017 6:43 PM, 'threeneurons' via neonixie-l wrote:

I thought eBay's Global Shipping Program (GSP) was a bad idea,
from the get-go ! Just another reason not to use it.

When they introduced it, they automatically enabled it, in your
settings. You had to go into your account settings, and turn it
off. In general, its a rip-off ! Just another eBay "profit
center". Its bad enough that shipping things to outside the US,
starts at ~$13.50, for a minimal weight parcel (and upto 8 oz),
but if I remember, the fees the GSP charges, are way above that !

Before 2012, you could ship things international, for ~$5.
Before 2005, the postal service still had "surface mail", which
meant they waited until a shipping container was filled up,
before sending your parcel off, on a slow boat to oblivion. Cost
was cheap, though it may take up to 3 months to get to your
destination. Chinese still do the same thing, though it probably
takes well less than a week to fill up one of their containers.

Its best to pack the parcel yourself. Have you ever seen how
most parcels arrive from Amazon, Granger, or McMaster ? The
item(s) are usually tossed into the box, then those inflatable
bags are tossed in on top of it. Padding is most often just the
thickness of the cardboard box. That's fine for screws, and
books, and even my kits. But not something you want to see when
shipping a CRT !

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For mo

Re: [neonixie-l] Re: receiving counrty pays the cost of postal transport

[Instrument Resources of America]

By the way what I bought was a precision three jaw chuck for my Dremel 
Tool. Probably $10.00 to $20.00 if made here. Very nice, holds a #60 
drill bit with no problem.Ira.



On 5/16/2017 12:49 PM, 'Terry S' via neonixie-l wrote:

And now, the rest of the story.

The Chinese government also subsidizes the postage, so that cost for 
their exporters is low. That's how you can pay .99 for the product AND 
shipping.
Clearly they also subsidize the cost of the product itself. There is 
NO economy where they can build, package, market, sell, and ship a 
tool of any flavor for .99. And make money.


Terry

On Tuesday, May 16, 2017 at 10:32:15 AM UTC-5, philthepill wrote:

Wa back in the late 1800's when worldwide postal service began
this was the problem - who pays the receiving country  when I send
a letter to a person in another country ( and their postal
system).   So most of the countries of the world got together and
signed the declaration of the Universal Postal Union.   It said
the sending country pays the cost of delivering mail to a foreign
country then the receiving country delivers the foreign mail
without any cost to the sender. You do it for our country and we
do it for yours.  It worked well when postal volumes between
countries was small but now the world buys millions of items from
China daily with delivery via postal mail but very few Chinese buy
anything from the rest of the world. So the receiving countries
are spending millions delivering foreign packages and the
tax-payer is on the hook.

We now subsidize shipping from China !Welcome to the world
of being taken to the cleaners.


-- Original Message --
    From: Instrument Resources of America >
Date: May 15, 2017 at 10:01 PM

Speaking of Chinese, I ordered an attachment for my Dremel tool
from China about three weeks ago. It arrived yesterday in the
U.S. Mail, as items from China always do. TOTAL cost for the ITEM
and the S & H $.99 (ninety nine cents). Can anyone here tell how
that is done?? Especially since it involves the U.S. Postal
Service??? Thanks Ira.


On 5/15/2017 6:43 PM, 'threeneurons' via neonixie-l wrote:

I thought eBay's Global Shipping Program (GSP) was a bad idea,
from the get-go ! Just another reason not to use it.

When they introduced it, they automatically enabled it, in your
settings. You had to go into your account settings, and turn it
off. In general, its a rip-off ! Just another eBay "profit
center". Its bad enough that shipping things to outside the US,
starts at ~$13.50, for a minimal weight parcel (and upto 8 oz),
but if I remember, the fees the GSP charges, are way above that !

Before 2012, you could ship things international, for ~$5.
Before 2005, the postal service still had "surface mail", which
meant they waited until a shipping container was filled up,
before sending your parcel off, on a slow boat to oblivion. Cost
was cheap, though it may take up to 3 months to get to your
destination. Chinese still do the same thing, though it probably
takes well less than a week to fill up one of their containers.

Its best to pack the parcel yourself. Have you ever seen how
most parcels arrive from Amazon, Granger, or McMaster ? The
item(s) are usually tossed into the box, then those inflatable
bags are tossed in on top of it. Padding is most often just the
thickness of the cardboard box. That's fine for screws, and
books, and even my kits. But not something you want to see when
shipping a CRT !

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Re: [neonixie-l] receiving counrty pays the cost of postal transport

[Instrument Resources of America]

alb.001  thanks much for splainin it. It really had me baffled. 
Especially with what postal rates are here in the U.S. today. Ira



On 5/16/2017 8:32 AM, alb.001 alb.001 wrote:


Wa back in the late 1800's when worldwide postal service began 
this was the problem - who pays the receiving country  when I send a 
letter to a person in another country ( and their postal system).   So 
most of the countries of the world got together and signed the 
declaration of the Universal Postal Union.   It said the sending 
country pays the cost of delivering mail to a foreign country then the 
receiving country delivers the foreign mail without any cost to the 
sender. You do it for our country and we do it for yours.  It worked 
well when postal volumes between countries was small but now the world 
buys millions of items from China daily with delivery via postal mail 
but very few Chinese buy anything from the rest of the world. So the 
receiving countries are spending millions delivering foreign packages 
and the tax-payer is on the hook.


We now subsidize shipping from China !Welcome to the world 
of being taken to the cleaners.



-- Original Message --
From: Instrument Resources of America 
Date: May 15, 2017 at 10:01 PM

Speaking of Chinese, I ordered an attachment for my Dremel tool from 
China about three weeks ago. It arrived yesterday in the U.S. Mail, 
as items from China always do. TOTAL cost for the ITEM and the S & H 
$.99 (ninety nine cents). Can anyone here tell how that is done?? 
Especially since it involves the U.S. Postal Service??? Thanks Ira.



On 5/15/2017 6:43 PM, 'threeneurons' via neonixie-l wrote:
I thought eBay's Global Shipping Program (GSP) was a bad idea, from 
the get-go ! Just another reason not to use it.


When they introduced it, they automatically enabled it, in your 
settings. You had to go into your account settings, and turn it off. 
In general, its a rip-off ! Just another eBay "profit center". Its 
bad enough that shipping things to outside the US, starts at 
~$13.50, for a minimal weight parcel (and upto 8 oz), but if I 
remember, the fees the GSP charges, are way above that !


Before 2012, you could ship things international, for ~$5. Before 
2005, the postal service still had "surface mail", which meant they 
waited until a shipping container was filled up, before sending your 
parcel off, on a slow boat to oblivion. Cost was cheap, though it 
may take up to 3 months to get to your destination. Chinese still do 
the same thing, though it probably takes well less than a week to 
fill up one of their containers.


Its best to pack the parcel yourself. Have you ever seen how most 
parcels arrive from Amazon, Granger, or McMaster ? The item(s) are 
usually tossed into the box, then those inflatable bags are tossed 
in on top of it. Padding is most often just the thickness of the 
cardboard box. That's fine for screws, and books, and even my kits. 
But not something you want to see when shipping a CRT !


--
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Re: [neonixie-l] Re: eBay GSP disposes of CRT for no reason

[Instrument Resources of America]

Speaking of Chinese, I ordered an attachment for my Dremel tool from 
China about three weeks ago. It arrived yesterday in the U.S. Mail, as 
items from China always do. TOTAL cost for the ITEM and the S & H $.99 
(ninety nine cents). Can anyone here tell how that is done??  Especially 
since it involves the U.S. Postal Service???   Thanks   Ira.



On 5/15/2017 6:43 PM, 'threeneurons' via neonixie-l wrote:
I thought eBay's Global Shipping Program (GSP) was a bad idea, from 
the get-go ! Just another reason not to use it.


When they introduced it, they automatically enabled it, in your 
settings. You had to go into your account settings, and turn it off. 
In general, its a rip-off ! Just another eBay "profit center". Its bad 
enough that shipping things to outside the US, starts at ~$13.50, for 
a minimal weight parcel (and upto 8 oz), but if I remember, the fees 
the GSP charges, are way above that !


Before 2012, you could ship things international, for ~$5. Before 
2005, the postal service still had "surface mail", which meant they 
waited until a shipping container was filled up, before sending your 
parcel off, on a slow boat to oblivion. Cost was cheap, though it may 
take up to 3 months to get to your destination. Chinese still do the 
same thing, though it probably takes well less than a week to fill up 
one of their containers.


Its best to pack the parcel yourself. Have you ever seen how most 
parcels arrive from Amazon, Granger, or McMaster ? The item(s) are 
usually tossed into the box, then those inflatable bags are tossed in 
on top of it. Padding is most often just the thickness of the 
cardboard box. That's fine for screws, and books, and even my kits. 
But not something you want to see when shipping a CRT !


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<>

Re: [neonixie-l] eBay GSP disposes of CRT for no reason

[Instrument Resources of America]

From the way that reads God help us all, if they find out that Nixies 
DO contain Mercury, albeit a minuscule amount.  HOWEVER, ANY amount of 
mercury is forbidden on commercial airliners as far as I know.   Ira



On 5/15/2017 4:28 PM, Nicholas Stock wrote:
Aaron, that sucks big time. I'm a big fan of Brimar tubes and the fact 
that they trashed it /without/ prior notification is not only painful 
to hear but would make my blood boil. Just imagine if they did that to 
nixie tubes or other vacuum tubes /that actually contain Hg


/
Ass-hats.

Thanks for the heads up...I've had quite a few CRT's shipped 
internationally, but none of this nonsense (thank your deity of choice).


Nick (ashamed that the correspondent shares the same moniker...)

On Mon, May 15, 2017 at 4:22 PM, Oscilloclock > wrote:


I can't help but share this experience with the Global Shipping
Program. I bought a beautiful Brimar CRT and it was duly shipped
to the GSP centre, after which ... they promptly disposed of it
without the seller's consent! (And for no valid reason.)

And the "Sent from my iPhone" ...

--
Dear X (the seller)

My name is Nick. Thank you for contacting eBay’s Global Shipping
Programme department.  I understand you require more information
for item #272653050020.

Your sale of item #272653050020 through the Global Shipping
Programme couldn't be delivered because the shipment contained
items that were found to be restricted from transport.

If an item arrives to our shipping hub and the item is restricted
from international carriage, our hub will not proceed with the
shipment and will safely dispose of the item. This is process is
subject to dangerous goods only. In this instance the item
contains amp tube(s) possibly manufactured pre-70s. In that era
most lamps & tubes had mercury reflectors. In the absence of clear
data ruling out the risk, your item has been rated UN3506, Mercury
contained in manufactured article. Class 8, Corrosive & Toxic.
Restricted to all countries on our system

By choosing to ship your item with the Global Shipping Programme,
you agree to certain terms and conditions of the programme, one of
which is that when an oversized item is received at the shipping
hub, it is liquidated and the buyer is refunded by eBay. No money
will be or has been taken from your account.

I am sorry we have not been able to forward your item. We thank
you for all of your eBay business and hope that this information
has been helpful.Kind Regards,
eBay Global Shipping Team

[THREAD ID: 1-1GP2FBSY]

Sent from my iPhone
Reply

Brimar cathode ray tube


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Re: [neonixie-l] eBay GSP disposes of CRT for no reason

[Instrument Resources of America]

What a bunch of B.S.  Thanks so much for posting this. I'll NEVER use 
GSP after reading this.  Ira.



On 5/15/2017 4:28 PM, Nicholas Stock wrote:
Aaron, that sucks big time. I'm a big fan of Brimar tubes and the fact 
that they trashed it /without/ prior notification is not only painful 
to hear but would make my blood boil. Just imagine if they did that to 
nixie tubes or other vacuum tubes /that actually contain Hg


/
Ass-hats.

Thanks for the heads up...I've had quite a few CRT's shipped 
internationally, but none of this nonsense (thank your deity of choice).


Nick (ashamed that the correspondent shares the same moniker...)

On Mon, May 15, 2017 at 4:22 PM, Oscilloclock > wrote:


I can't help but share this experience with the Global Shipping
Program. I bought a beautiful Brimar CRT and it was duly shipped
to the GSP centre, after which ... they promptly disposed of it
without the seller's consent! (And for no valid reason.)

And the "Sent from my iPhone" ...

--
Dear X (the seller)

My name is Nick. Thank you for contacting eBay’s Global Shipping
Programme department.  I understand you require more information
for item #272653050020.

Your sale of item #272653050020 through the Global Shipping
Programme couldn't be delivered because the shipment contained
items that were found to be restricted from transport.

If an item arrives to our shipping hub and the item is restricted
from international carriage, our hub will not proceed with the
shipment and will safely dispose of the item. This is process is
subject to dangerous goods only. In this instance the item
contains amp tube(s) possibly manufactured pre-70s. In that era
most lamps & tubes had mercury reflectors. In the absence of clear
data ruling out the risk, your item has been rated UN3506, Mercury
contained in manufactured article. Class 8, Corrosive & Toxic.
Restricted to all countries on our system

By choosing to ship your item with the Global Shipping Programme,
you agree to certain terms and conditions of the programme, one of
which is that when an oversized item is received at the shipping
hub, it is liquidated and the buyer is refunded by eBay. No money
will be or has been taken from your account.

I am sorry we have not been able to forward your item. We thank
you for all of your eBay business and hope that this information
has been helpful.Kind Regards,
eBay Global Shipping Team

[THREAD ID: 1-1GP2FBSY]

Sent from my iPhone
Reply

Brimar cathode ray tube


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Re: [neonixie-l] Video with nixies display in old secret place

[Instrument Resources of America]

I wish that I could be the first to volunteer, but my personal life just 
will not allow that right now. I hope that it happens though as I think 
it would be a cool thing to have here.   Ira.



On 4/23/2017 4:55 PM, Nick wrote:

Just FYI, there are several moderators here :)

There have been threads over the years documenting "sightings", but not one 
single consolidated list.

If we have a volunteer or two, we could put such a list in the "database" 
section of the library.

Nick



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Re: [neonixie-l] Video with nixies display in old secret place

[Instrument Resources of America]

Someone here might give some thought to making a list of movies, t.v. 
shows, etc. that have Nixies in them. Either clocks, instrumentation, 
etc. Perhaps the moderator here could supply a spot here on neonixie, 
where that info could be added by the members.  Ira.



On 4/23/2017 5:13 AM, Paul Andrews wrote:

I was staying in Portmeirion a while back, they have have a 24 hour prisoner 
channel on the TV in the rooms. I was watching the finale and was thinking that 
this is the era of the Nixie tube (1967), and what do you know? In the final 
minutes in the village there is a countdown sequence that uses a Nixie tube!



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Re: [neonixie-l] Re: Love for small tubes

[Instrument Resources of America]

Almost like making watch parts.


On 4/22/2017 1:57 PM, SWISSNIXIE - Jonathan F. wrote:
Yes small tubes are very beautiful ! Got my self a B4998 a few days 
ago (smallest nixie).


And another thing that small tubes show, is how much precision and 
fine work was possible then. I guess small tubes are way harder to 
make than medium or big sized ones!

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Re: [neonixie-l] Love for small tubes

[Instrument Resources of America]

No pun taken!!!  Without the small ones' we couldn't have the 'Nixie 
watches'.  Ira.



On 4/22/2017 8:54 AM, Paul Andrews wrote:
This is a little video  of a CD80-P 
cycling through all its digits (plus the decimal point is lit up). I 
know that most people are obsessed with the larger tubes, but I love 
the small tubes. The digits on this are particularly sharp (no pun 
intended - it was salvaged from a Sharp calculator). I also have a 
thing about utilizing the decimal points in those tubes that support 
them. When I eventually get around to building a clock for these 
tubes, it will definitely include support for both the thousands 
separator and the decimal point:




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Re: [neonixie-l] Re: Manufacturing affordable large, new nixie tubes

[Instrument Resources of America]

You forgot the one most important thing for ANY product (or service), 
and that is a 'LARGE' enough base of buyers to support the endeavor. I'm 
pleasantly surprised that Dalibor can make it work, on what is most 
likely the buyers in this 'clock hobby' market place. I very seriously 
doubt that he has very many commercial/industrial, military, government, 
or consumer based, customers. And those four that I just listed is where 
most of the demand and therefore money comes from for any product or 
service. I do agree with the points you made though. And here is 
something else to think about. Assume for the moment that someone else 
is indeed successful at doing what Dalibor does. They also make Nixies, 
that are just as good as Dalibors in every respect. What has happened 
now is that TWO entities are now fighting for 'market share' of an 
infinitesimally small market place. The results would 
be,,,???Ira.



On 4/22/2017 10:07 AM, Jeff Walton wrote:


Any entrepreneur has to start with a passion for what they are trying 
to accomplish.  Without this, the only guarantee is failure.


The second hurdle is to develop a reliable, functional product that 
someone would want to purchase.


If you are lucky enough to get this far, then you can work on 
manufacturability and achieving a price point that will be supported 
by demand, and cover the cost of production, overhead and profit.


Each of these steps are difficult and can take years of effort and 
subsidy but that is how products are born…  I give a lot of credit to 
those that make it to product launch and eventual profitability.


*From:*neonixie-l@googlegroups.com 
[mailto:neonixie-l@googlegroups.com] *On Behalf Of *Instrument 
Resources of America

*Sent:* Saturday, April 22, 2017 9:42 AM
*To:* neonixie-l@googlegroups.com
*Subject:* Re: [neonixie-l] Re: Manufacturing affordable large, new 
nixie tubes


My statement was made with no disrespect, but you are free to 
interpret it any way that you see fit. Much is often lost in the 
printed word rather than the spoken word, which is why I always prefer 
to have an actual conversation. It was meant to be emphatic.  I still 
stick by it. These wannabe's should watch Dalibors' movie, more than 
once, perhaps if possible visit with Dalibor and see what it actually 
takes to do what he has accomplished. And accomplished he has, with a 
huge amount of success. But as already stated by others he has given 
YEARS of his life and GOBS of money to do what he has done, and I wish 
him much continued success as he certainly deserves it. IIRC he did 
not make a profit until February of this year. As for the wannabes, 
I'm not at all against anyone trying, so long as they know ahead of 
time what is realistic, and what is not. If Dalibor had not tried we 
wound not have his excellent tubes today. Who knows perhaps they will 
be able to produce a better product than Dalibor, but in my opinion 
probably not. Time will tell.  Ira.


On 4/22/2017 5:18 AM, Dylan Distasio wrote:

I was thinking the same thing.  If he's not asking for funding and
is open about the risks, let everyone have a shot.  It should be
encouraged.

That aside, I am anxiously awaiting my single tube clock using one
of Dalibors beautiful tubes.  I had to settle for one tube for
now.  I just got a Kickstarter update that the tubes have arrived!

On Apr 21, 2017 11:39 PM, "jb-electronics"
mailto:webmas...@jb-electronics.de>>
wrote:

Wow, now we did it. Is that really the message we want to send to
a person who is looking into making Nixie tubes?

I admire Dalibor for what he has achieved. Perhaps some of you
remember that I tried the same and did not get far, this is my
best "Nixie tube" I ever made:



But all of this aside, I ask you if these comments are really
helpful? Calling somebody a "wannabe" in a disrespectful manner?
I, for one, like people who "want to" achieve something. Don't you?

Cheers
Jens




On 4/21/2017 7:01 PM, Instrument Resources of America wrote:

There are a LOT of WANNABE's out there that do NOT have the
slightest clue as to what is involved in such a venture!!!   Ira.


On 4/21/2017 9:41 AM, chuck richards wrote:

Dalibor,

Thanks again for all that you do.

You obviously have devoted your whole life for the past several
years to the manufacturing of high-quality brand new large nixie
tubes.

There will always be some folks on the side-lines who want to
talk about and to theorize about "better" and "cheaper" methods
of tube production.

Not bloody likely!!

What you have accomplished is most remarkable!

I especially like reading the part where you explain that
computers and automa

Re: [neonixie-l] Re: Manufacturing affordable large, new nixie tubes

[Instrument Resources of America]

My statement was made with no disrespect, but you are free to interpret 
it any way that you see fit. Much is often lost in the printed word 
rather than the spoken word, which is why I always prefer to have an 
actual conversation. It was meant to be emphatic.  I still stick by it. 
These wannabe's should watch Dalibors' movie, more than once, perhaps if 
possible visit with Dalibor and see what it actually takes to do what he 
has accomplished. And accomplished he has, with a huge amount of 
success. But as already stated by others he has given YEARS of his life 
and GOBS of money to do what he has done, and I wish him much continued 
success as he certainly deserves it. IIRC he did not make a profit until 
February of this year. As for the wannabes, I'm not at all against 
anyone trying, so long as they know ahead of time what is realistic, and 
what is not. If Dalibor had not tried we wound not have his excellent 
tubes today. Who knows perhaps they will be able to produce a better 
product than Dalibor, but in my opinion probably not. Time will tell.  Ira.



On 4/22/2017 5:18 AM, Dylan Distasio wrote:
I was thinking the same thing.  If he's not asking for funding and is 
open about the risks, let everyone have a shot.  It should be encouraged.


That aside, I am anxiously awaiting my single tube clock using one of 
Dalibors beautiful tubes.  I had to settle for one tube for now.  I 
just got a Kickstarter update that the tubes have arrived!



On Apr 21, 2017 11:39 PM, "jb-electronics" 
mailto:webmas...@jb-electronics.de>> wrote:


Wow, now we did it. Is that really the message we want to send to
a person who is looking into making Nixie tubes?

I admire Dalibor for what he has achieved. Perhaps some of you
remember that I tried the same and did not get far, this is my
best "Nixie tube" I ever made:



But all of this aside, I ask you if these comments are really
helpful? Calling somebody a "wannabe" in a disrespectful manner?
I, for one, like people who "want to" achieve something. Don't you?

    Cheers
Jens



On 4/21/2017 7:01 PM, Instrument Resources of America wrote:

There are a LOT of WANNABE's out there that do NOT have the
slightest clue as to what is involved in such a venture!!!   Ira.


On 4/21/2017 9:41 AM, chuck richards wrote:

Dalibor,

Thanks again for all that you do.

You obviously have devoted your whole life for the past several
years to the manufacturing of high-quality brand new large nixie
tubes.

There will always be some folks on the side-lines who want to
talk about and to theorize about "better" and "cheaper" methods
of tube production.

Not bloody likely!!

What you have accomplished is most remarkable!

I especially like reading the part where you explain that
computers and automation don't help much.

That is a fact that people who have never tried any production
methods will argue with.  But, as you point out, once one actually
does their experiments and starts learning how to get it done, one
will find that computers and automation just can't cope with the
entire situation very well at all.

Again, congratulations to you and your entire team of dedicated
people!

Chuck





 Original Message 
From: dali...@farny.cz <mailto:dali...@farny.cz>
To: neonixie-l@googlegroups.com
<mailto:neonixie-l@googlegroups.com>
Subject: RE: [neonixie-l] Re: Manufacturing affordable large, new
nixie tubes
Date: Thu, 20 Apr 2017 12:16:33 -0700 (PDT)


Hello!

I am sending few notes to this topic, from a perspective of
someone

who

spent last 5 years exclusively in nixie tubes manufacture ;-)

IMHO, $25 nixie tube is not possible. Nixie tubes were never so

cheap, even

in 60s, the less expensive tube from Burroughs was for $8
(equal to

today's

$64) when bought in a quantity of 1000pcs, type B-5016, no
mercury.

Large

tube (B-7094) were for $30 (today's $240). In this time, the
nixie

tubes

were cutting edge technology with generous budget, hoard of R&D

engineers

and whole tube backing industry. They were produced in large

quantities for

lot of equipment, mostly measuring devices - almost never for

digital

clocks, they were simply expensive for consumer market.
You can now find small tubes on eBay for around $5, mostly
russian

tubes -

their price is now determined by market (what are hobbyists
willing

to pay

for it), not manufacturing costs. They were produced in large

volumes in

soviet central planned economy, even when the demand was
decreasing

- this

is why there are still full stocks of them in former soviet

countries.

Y

Re: [neonixie-l] Re: Manufacturing affordable large, new nixie tubes

[Instrument Resources of America]

There are a LOT of WANNABE's out there that do NOT have the slightest 
clue as to what is involved in such a venture!!!   Ira.



On 4/21/2017 9:41 AM, chuck richards wrote:

Dalibor,

Thanks again for all that you do.

You obviously have devoted your whole life for the past several
years to the manufacturing of high-quality brand new large nixie
tubes.

There will always be some folks on the side-lines who want to
talk about and to theorize about "better" and "cheaper" methods
of tube production.

Not bloody likely!!

What you have accomplished is most remarkable!

I especially like reading the part where you explain that
computers and automation don't help much.

That is a fact that people who have never tried any production
methods will argue with.  But, as you point out, once one actually
does their experiments and starts learning how to get it done, one
will find that computers and automation just can't cope with the
entire situation very well at all.

Again, congratulations to you and your entire team of dedicated
people!

Chuck





 Original Message 
From: dali...@farny.cz
To: neonixie-l@googlegroups.com
Subject: RE: [neonixie-l] Re: Manufacturing affordable large, new
nixie tubes
Date: Thu, 20 Apr 2017 12:16:33 -0700 (PDT)


Hello!

I am sending few notes to this topic, from a perspective of someone

who

spent last 5 years exclusively in nixie tubes manufacture ;-)

IMHO, $25 nixie tube is not possible. Nixie tubes were never so

cheap, even

in 60s, the less expensive tube from Burroughs was for $8 (equal to

today's

$64) when bought in a quantity of 1000pcs, type B-5016, no mercury.

Large

tube (B-7094) were for $30 (today's $240). In this time, the nixie

tubes

were cutting edge technology with generous budget, hoard of R&D

engineers

and whole tube backing industry. They were produced in large

quantities for

lot of equipment, mostly measuring devices - almost never for

digital

clocks, they were simply expensive for consumer market.
You can now find small tubes on eBay for around $5, mostly russian

tubes -

their price is now determined by market (what are hobbyists willing

to pay

for it), not manufacturing costs. They were produced in large

volumes in

soviet central planned economy, even when the demand was decreasing

- this

is why there are still full stocks of them in former soviet

countries.

You mention "current manufacturing methods", we actually dont have

much new

technologies which could simplify the nixie tube manufacture. The

use of

computers is very limited and doesnt help much. Also new

technologies like

laser cutting etc. doesnt help (only for machinery construction,

jigs..).

There are tens of operations involved in the

assembly/sealing/pumping

procedures - the quantity of machines needed for automated line

would be

big and their price very high. As NeonJohn suggested - few $M would

be

necessary just for the machinery. You would also soon find that

automation

make demands on supplier's tolerances ( e.g. glass thickness,

diameter)

which is beyond their standard production capabilities = back to

hand

processing.. This is one of the reason why large factories like

Blackburn

had own facilities for production of all the raw materials/prefabs.
Last year, I had a meeting with people from german company producing
glassworking machines - simple semiautomated machine just for

sealing

operation (stem/envelope) which still needs operator starts at

$250.000 and

its production capacity is not so high (my estimation was 30

tubes/hour).

And this is one of very few pieces of equipment you can purchase,

the rest

is necessary to develop - according to your specifications and

process

description.

But even if you had a fully equiped factory now, it would take you

long

time to get to working nixie tubes. It is not about machines, but

about the

operator/R&D - you need to know when the tube is sufficiently

degassed

before filling, what purity of the raw material is necessary, purity

of the

gases, time for aging etc.. Many factors, each of them can make your

tube

prone to failure. Not immediately, but after year of operation for

instance

- your backers will not wait years until you come up with working
combination..

Some data from our business:
- Our price for a tube is now set to $145.
- We make around 130 tubes per month (+ handful of clocks) with

monthly

revenue of around 20.000 USD.
- We are now a team of 5 people and this production volume makes us

really

busy (I work 7 days a week, all day long).
- We need 250 square meters (2700sqft) of space for our current

equipment.

- As for the "butique price" - my monthly net salary is $384, I get

paid

since February 2017 ;-) But my people's salary is above average (for

a

given profession and our region).
- I invested around $80.000 from my personal savings on the

beginning

I know that if I want to really succeed and earn money, I need to

cut down

the production costs. So I am 

Re: [neonixie-l] Beware! Don't use this type of B13B socket!

[Instrument Resources of America]

Any reason why that hole could not be drilled larger??  Ira.


On 3/24/2017 11:30 AM, Tomasz Kowalczyk wrote:
Or at least don't use them with tubes with "nipple" on bottom. I've 
just lost a Z560M I just finished regenerating... Now it is useful 
only for soldering pins to PCB.
I think the picture explains everything (socket type and damage done). 
The middle hole is too small and if you press the tube to the end, the 
stress caused on sides of tube closing will cause it to pop after few 
minutes (around 3 for me). I was sitting and I've heard a faint "blop!".



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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Instrument Resources of America]

I certainly believe that you will be able to do this Dalibor. I foresee 
that you will sell many of them, as I think the market is there. Good 
luck.  Ira.



On 2/27/2017 9:20 AM, Dalibor wrote:

I cant wait to get to realization of similar beast to CD47. Rough shapes - 
similar height as CD47, a bit bigger diameter (right shape of digits), metal 
base, long life span, price estimated around $300. The goal is to make large 
tube, as affordable as possible, for regular use.
Our tubes will not have the historical value (immediately), but will be 
available, affordable (compared to original cd47) and will come with warranty.

Dalibor



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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Instrument Resources of America]

That sounds really very cool. Any size, within reason that anyone would 
want, and much less expensive than Rodan CD47's. Engrave your own, if 
you're good at that sort of thing, or have it done somewhere. Multi 
colored LED's would also be cool. And just to make sure that the clock 
contained some 'neon', use neon lamps for the colons.  Ira.



On 2/23/2017 3:20 PM, NeonJohn wrote:

You could use the modern version of the old edge-lit displays.  A stack
of plex sheets engraved with the numbers and edge-lit with LEDs.  That
would be even more authentic because the numbers would approach and
recede as they change values, just like in a real Nixie.

John


On 02/23/2017 05:10 PM, gregebert wrote:

One of the (many) projects in the back of my head is a 'beer bottle nixie
tube', basically cutting-off the top of a brown beer bottle and inserting a
PC board with orange LED's arranged like nixie numerals. The tinted glass
would obscure most of the PC board, and blur the LEDs so it would have a
fighting chance to look nixie-ish.

Trust me, I could make a decent enough clock with 6 of these without
spending 15,000 euros



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Re: [neonixie-l] Re: Some guy offering Rodan CD47 tubes

[Instrument Resources of America]

Even if Dalibor can and would make IDENTICAL tubes, (and I'm quite sure 
that with his skills he could), they would NOT carry the same 
historical, or collector value as these originals.  Ira.



On 2/23/2017 8:20 AM, Trumpeter wrote:

I am a proponent of the free market and one should sell something for whatever 
someone else is willing to pay. That said, I am doubtful he will get over $2000 
for these tubes, not with fellows like Dalibor making them in new production.

$50 for an IN18 is one thing but $2000 for one tube is nuts.



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Re: [neonixie-l] Finished Nixie Watch project (Pictures)

[Instrument Resources of America]

Nice job, congrats. I'm envious.  Ira.


On 2/3/2017 9:44 AM, Craig Smith wrote:
I thought I would post a few pictures of my finished Nixie watch that 
I have been working on for a while and some pictures of the build.




The finished watch






The breadboard demo setup

After testing lots of different shift registers to control the tubes. 
I needed a shift register capable of doing the job and that would run 
at 3v. I went for Micrel MIC5841. Although these are not meant to run 
at 3v, after lots of testing they would work down to 2.1v very 
reliably, so operating them at 3v should be fine.


The microprocessor used is a PIC18F13K22
I ended up using an analogue accelerometer (ADXL335) over the i2c one 
as it drew a lot less current.
To get the 170v required to drive the tubes, I used a DC/DC converter 
IC (LT1308) and a small transformer 31105R (which I got from David 
Forbes at Cathode Corner)
To keep the time nice and accurately, I went for a real time clock IC. 
This is a DS3231M. It has built in temperature correction.

The tubes are NL-5870 (B5870)

The total current drawn when sitting there not displaying is only 96uA


The watch displays the time in a similar way to most of the other Nice 
watches out there. You tip it to the viewing position and the hours 
flash, then the minutes. As I wanted the date to shown also, if you 
keep the watch in the view position, the date will also flash up, day 
then month.


When the battery gets to 3.5v, the minutes flash twice to show the 
battery is running low (I copied this idea from David Forbes). When 
the voltage gets to 3.3v the watch stops displaying.



When testing the circuit I did 45 time reads a day and the watch 
lasted for 18 days until it stopped displaying the time. It then ran 
for another week until the battery had dropped to 3v.







PCB's etched by OSHPark














PCB assembled.





I was going to get the watch CNC machined, but it was going to cost a 
lot of money, so I ended up getting some aluminium laser cut to the 
rought size and machining it on my mate's lath and milling machine.




I also anodised the case myself in my garage.





I was originally going to use a stainless strap, but opted for a 
leather one instead.

































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Re: [neonixie-l] Dalibor

[Instrument Resources of America]

Don't blame you on the Facebook thing. I despise it as well, but am 
forced somewhat to use it since a lot of my family and friends use it. I 
do NOT post anything on it myself, and when I signed up I gave them NOT 
ONE PIECE of truthful information about myself, not even my name, except 
my email addy. which I had to give them. I do this on all websites like 
Facebook, and Yahoo just to mention two of them.  I won't give them 
anything about myself.



On 2/3/2017 11:01 AM, chuck richards wrote:

nope.  I do not do facebook.

 Original Message 
From: martin.forsb...@gmail.com
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Dalibor
Date: Fri, 3 Feb 2017 10:24:44 -0800 (PST)


Have you tried a private message via his Facebook page?

/Martin

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Re: [neonixie-l] Finished Nixie watch project

[Instrument Resources of America]

Next time that you're trying to machine something thin like that in a 
four, or three jaw chuck, plug the end that fits in the chuck with 
something solid that fits fairly tight, and when done just knock it out. 
I've had to that a time or two to keep from caving something in.   Ira.



On 2/3/2017 1:19 PM, Craig Smith wrote:

2uA!!!

I couldn't get anywhere near that low, even if I was just powering the 
PIC. I spent weeks and weeks trying to get it to run as low power as 
possible. I'm running the PIC at 4MHz with all the hardware turned off 
(i2c etc.) until I need it. 2uA is very impressive.


The lathe and the milling machine belong to a friend of mine. They are 
pretty old, 1970s I think.


It took 5 evenings of 3 hours to machine them. The hardest part was 
setting the parts in the chuck and getting them centered, due to the 
very thin wall thickness. You can't go reaming the 4 jaw chuck up so 
tight you crush the 2mm thick walls of the watch case in, but then 
again you can't have it that loose that it will fly out of the chuck.


Anyway, I'm very happy with the finished result and am since Wednesday 
I have retired my Rip Curl analogue tide watch for my new Nixie watch. 
Although it is larger than my old watch, it only weighs 72 grams, my 
old one was 219 grams!

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Re: [neonixie-l] Darth Vader Nixie - yes, for real.

[Instrument Resources of America]

I'm almost 70 and thought that I had seen it all, especially where 
Nixies are concernedbut I guess that I've seen 
it all NOW.  That's really cool. I must keep my six year old grandson 
from seeing it, lest he wants one. Ira.



On 2/1/2017 7:12 AM, mjrippe wrote:

https://www.youtube.com/watch?v=_E4IXxzuVsI
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Re: [neonixie-l] Re: How ICs are made - the inside track...

[Instrument Resources of America]

P.S. getting old is the pits!!!


On 1/26/2017 1:25 PM, Instrument Resources of America wrote:
I had a very similar issue here in my lab recently while checking out 
an HP X-Y display. I was feeding both x and y the same signal in order 
to check out the phase spec between both ch. at 20 MHZ. Unfortunately 
idiot here had used two different length cables to feed x and Y, and 
then sat there trying to figure out why it would NOT meet spec. It 
finally dawned on me. Two equal length cables solved the issue.  Ira.



On 1/26/2017 12:45 PM, chuck richards wrote:

Yep, there's that part of it to consider as a portion
of the total overall result.

But, check it out, do the math.  The speed of light
is roughly one nanosecond per foot.

Yes, yes, electricity "flows" through a wire some tiny bit
slower than that, but the above approximation gets it well
within decent enough accuracy to aid a person in "seeing" what
is happening.

One time at Verizon we had a timing issue due to combining both 50
foot and 100 foot clock cables to different processor complexes
in a GTD-5 electronic telephone exchange.  That clock runs at 12.352
mHz.

I pointed out that the clock pulses were arriving at the end of the
100 foot cable about 50 nS later than those pulses arriving at the
end of the 50 foot cable.  That indeed was the problem.

We swapped out the 50 footers and made them all 100 footers, and
that cleared the trouble.

Chuck



 Original Message 
From: webmas...@jb-electronics.de
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: How ICs are made - the inside track...
Date: Thu, 26 Jan 2017 12:14:09 -0700


What I find particulary amusing is that the drift velocity of the
actual
electrons is of the order of a cm/s if I remember correctly. Jens

On 1/26/2017 11:07 AM, chuck richards wrote:

Yes, that is correct!  Because electricity travels
through a wire at the approximate speed of 1 nanosecond per foot!

Chuck

 Original Message 
From: cm...@zeusprune.ca
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: How ICs are made - the inside

track...

Date: Wed, 25 Jan 2017 21:28:47 -0500


On 17-01-24 03:14 AM, Roddy Scott wrote:
Processor chips

may have gotten a little bit bigger but not by much but could you
imagine the size of a computer based on the ENIAC
<https://en.wikipedia.org/wiki/ENIAC> technology and the power
requirements? The original consumed 150KW and weighed about 30

tons, a

modern day version would need its own power station and would

take

up a

football stadium

Ah but you are forgetting as Admiral Hopper liked to point out,

the

size
of a nanosecond.  A football stadium sized computer could not get

out

of
it's own way.

--
Charles MacDonald Stittsville Ontario
cm...@zeusprune.ca  Just Beyond the Fringe
No Microsoft Products were used in sending this e-mail.

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Re: [neonixie-l] Re: How ICs are made - the inside track...

[Instrument Resources of America]

I had a very similar issue here in my lab recently while checking out an 
HP X-Y display. I was feeding both x and y the same signal in order to 
check out the phase spec between both ch. at 20 MHZ. Unfortunately idiot 
here had used two different length cables to feed x and Y, and then sat 
there trying to figure out why it would NOT meet spec. It finally dawned 
on me. Two equal length cables solved the issue.  Ira.



On 1/26/2017 12:45 PM, chuck richards wrote:

Yep, there's that part of it to consider as a portion
of the total overall result.

But, check it out, do the math.  The speed of light
is roughly one nanosecond per foot.

Yes, yes, electricity "flows" through a wire some tiny bit
slower than that, but the above approximation gets it well
within decent enough accuracy to aid a person in "seeing" what
is happening.

One time at Verizon we had a timing issue due to combining both 50
foot and 100 foot clock cables to different processor complexes
in a GTD-5 electronic telephone exchange.  That clock runs at 12.352
mHz.

I pointed out that the clock pulses were arriving at the end of the
100 foot cable about 50 nS later than those pulses arriving at the
end of the 50 foot cable.  That indeed was the problem.

We swapped out the 50 footers and made them all 100 footers, and
that cleared the trouble.

Chuck



 Original Message 
From: webmas...@jb-electronics.de
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: How ICs are made - the inside track...
Date: Thu, 26 Jan 2017 12:14:09 -0700


What I find particulary amusing is that the drift velocity of the
actual
electrons is of the order of a cm/s if I remember correctly. Jens

On 1/26/2017 11:07 AM, chuck richards wrote:

Yes, that is correct!  Because electricity travels
through a wire at the approximate speed of 1 nanosecond per foot!

Chuck

 Original Message 
From: cm...@zeusprune.ca
To: neonixie-l@googlegroups.com
Subject: Re: [neonixie-l] Re: How ICs are made - the inside

track...

Date: Wed, 25 Jan 2017 21:28:47 -0500


On 17-01-24 03:14 AM, Roddy Scott wrote:
Processor chips

may have gotten a little bit bigger but not by much but could you
imagine the size of a computer based on the ENIAC
 technology and the power
requirements? The original consumed 150KW and weighed about 30

tons, a

modern day version would need its own power station and would

take

up a

football stadium

Ah but you are forgetting as Admiral Hopper liked to point out,

the

size
of a nanosecond.  A football stadium sized computer could not get

out

of
it's own way.

--
Charles MacDonald Stittsville Ontario
cm...@zeusprune.ca  Just Beyond the Fringe
No Microsoft Products were used in sending this e-mail.

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Re: [neonixie-l] IN-13 Lifespan

[Instrument Resources of America]

As far as I know, one can NOT build a bar-graph, or neon lamp style, 
LED, or any other indicator type, of VU meter. (Perhaps you built a 
'level indicator' of sorts.) The very definition of a VU meter (at least 
the professional type) involves the mechanical ballistic damping, and 
mechanical response of the needle and the meter movement.   Ira.



On 1/23/2017 11:41 AM, TheJBW wrote:
About 1.5years ago, I built this really nice stereo vu-meter using 
IN-13 bargraph tubes. About two weeks ago, one of the tubes made a 
"tink" sound and the current control went away -- the tube stayed 
ignited, but the "bar" was stuck at the bottom. I noticed that the 
spacer at the far end of the tube was also suddenly free. I figured 
this was an unlikely failure, so I replaced the tube the spare stock. 
Unfortunately, one week later, the tube on the other channel did the 
exact same thing! I've attached pictures of my drive and power 
circuitry -- the signal conditioning circuitry is omitted, but I think 
it unlikely to be relevant. I figure something must be wrong with my 
circuit that is causing early death, but I'm not sure as to what. 
Ideas anyone?

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Re: [neonixie-l] Re: Tube testing?

[Instrument Resources of America]

Neon/fluorescent bulb testers are readily available NIB on Ebay for 
$9-$10 (from Chine where else??). Just type in "fluorescent bulb 
tester". All it will tell you though is whether it is out-gassed or 
not.  Ira.



On 1/23/2017 11:47 AM, Paul Andrews wrote:

Hi Phil,

Is your tester anything like this one 
? I would 
love to make one, though that isn't what I was asking about!


- Paul

On Saturday, January 21, 2017 at 10:12:25 AM UTC-5, Paul Andrews wrote:

Hi,

I received a shipment of tubes (Z5900M) that I want to fire up
(becasue, you know, I want to see them glow!). I have a cold
cathode tube power supply. Could I use that? DO I need to add a
resistor to the anode? Should I get me a power supply of some sort
instead? If so what?

Very naive when it comes to electronics, but not a complete newb.

Thanks - Paul

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Re: [neonixie-l] Re: Posting personal information on this group.

[Instrument Resources of America]

HAPPY NEW YEAR, TO ALL Ira


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Re: [neonixie-l] Re: Posting personal information on this group.

[Instrument Resources of America]

Without taking sides, the internet and some servers, etc. have been 
known to occasionally eat emails!!  Ira



On 1/14/2017 9:41 AM, Dieter Waechter wrote:

Gene,
I can prove that I answered all his e-mails. He is a liar.
But that all does not matter.
Moderator - please help!
Dieter
- Original Message -

*From:* Gene Mark Segal 
*To:* neonixie-l@googlegroups.com

*Sent:* Saturday, January 14, 2017 6:37 PM
*Subject:* Re: [neonixie-l] Re: Posting personal information on
this group.

WOW! Such strong and repetitive language only shows that one has a
reason to prove something. Good customer service means never
putting your customers in a position to feel the need to reach out
to the community.

Greg has been a solid long-term customer of mine.

Gene Segal

On Jan 14, 2017, at 9:06 AM, Greg P mailto:gregory.peet...@verizon.net>> wrote:


Nick,

Thank you!  That was very inappropriate of Dieter to put my
PERSONAL information out there.  I have tried numerous times to
resolve this privately.



On Saturday, January 14, 2017 at 12:04:49 PM UTC-5, Nick wrote:

It is completely forbidden to post confidential personal
information or to make threats on this group, or indeed
anywhere - it's considered extremely poor netiquette and
always has been. If there is a dispute between customers and
suppliers, deal with it offline, not here - the thread has
been locked and the personal information posts deleted.

Moderators

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Re: [neonixie-l] Re: Posting personal information on this group.

[Instrument Resources of America]

I agree!!  It may have been much simpler, easier, and saved a lot of 
headaches, hassels, and bad customer feelings/relations to just have the 
darn clock sent somewhere for repair and then sent back. Especially if 
as indicated the customer has NO knowledge of electronics and it was 
known at the time!!  My two cents worth. Ira.



On 1/14/2017 9:37 AM, Gene Mark Segal wrote:
WOW! Such strong and repetitive language only shows that one has a 
reason to prove something. Good customer service means never putting 
your customers in a position to feel the need to reach out to the 
community.


Greg has been a solid long-term customer of mine.

Gene Segal

On Jan 14, 2017, at 9:06 AM, Greg P > wrote:



Nick,

Thank you!  That was very inappropriate of Dieter to put my PERSONAL 
information out there.  I have tried numerous times to resolve this 
privately.




On Saturday, January 14, 2017 at 12:04:49 PM UTC-5, Nick wrote:

It is completely forbidden to post confidential personal
information or to make threats on this group, or indeed anywhere
- it's considered extremely poor netiquette and always has been.
If there is a dispute between customers and suppliers, deal with
it offline, not here - the thread has been locked and the
personal information posts deleted.

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Re: [neonixie-l] Nocrotec IN-18 Blue Dream.....Best Customer Service

[Instrument Resources of America]

I was just responding to the thread. I see that you or someone has 
changed the name of the thread, that should suffice.Ira



On 1/14/2017 8:58 AM, Dieter Waechter wrote:

IRA!
Please stop posting messages with a statement "Nocrotec IN-18 Blue 
Dream.Poor Customer Service"

All of them must be removed!
Dieter

- Original Message -
    *From:* Instrument Resources of America
<mailto:iracosa...@hughes.net>
*To:* neonixie-l@googlegroups.com
<mailto:neonixie-l@googlegroups.com>
*Sent:* Saturday, January 14, 2017 5:51 PM
*Subject:* Re: [neonixie-l] Nocrotec IN-18 Blue Dream.Poor
Customer Service

It is possible that the neons DO need to be replaced, as they
themselves may be marginal, and therefore need to be replaced.
I've had to replace a lot of neons and nixies in my time due to a
number of issues, including being marginal on firing voltage.
Either option is easy and inexpensive.  Ira.


On 1/14/2017 8:41 AM, Greg P wrote:

Thanks Ira...I will take your advice and report back.

On Saturday, January 14, 2017 at 11:23:02 AM UTC-5, I wrote:

I have been a tech going on 60 years now, but am NOT familiar
with this clock. I am willing to help as much as I can from
here. OBVIOUSLY there is an explanation, and reason for this
happening. You just have not unraveled it as yet. To begin
with I must ask you a number of questions. Do you have, or
have access to a DVM? How many digits are displayed for the
TIME? How many for the DATE? How many in 'service mode'? My
initial thoughts (GUESS) are this. The H.V. power supply MAY
be becoming MARGINAL. Delivers enough voltage to light the
colons in service mode and for the date, but for some reason
not the time. What I'd like for you to do if possible is
monitor the voltage to the colons, while switching the mode
from time, to date, to service mode. Record the readings vs
mode, and lets see if that tells us anything. You will be
measuring H.V. so be very careful. If you do not feel
comfortable doing this, have someone versed in H.V.
measurement help you. Ira.


On 1/14/2017 7:28 AM, Greg P wrote:


Let me start out by saying, I don't like posting negative
information as I've found everyone here to be awesome and
helpful.  After trying for the better part of a month to get
my issue resolved *PRIVATELY, *I feel I need to share with
the group.

Approximately, 4 years ago I ordered and built the Nocrotec
IN-18 Blue Dream and it's performed flawlessly until
recently.  I noticed the lower NE-2 neons (wired in series)
in the colon towers were intermittently lighting when
displaying the *TIME* only.  All other functions such as
displaying date, and in Service Mode the lower NE-2's work
just fine.  Additionally, I checked wiring and all
connections etc. and everything is OK.

So I reached out to Dieter no less than 4 times asking for
advice and got *NO RESPONSE. *It wasn't until I emailed
Claus Urbach, (the site that sells the IN-18 Blue Dream Kit)
that I got a lukewarm excuse filled reply which was to
replace the colon towers.  If the NE-2's were bad, why do
they work in Service Mode and when displaying date?

I continued to reach out to Dieter for help, and was
ignored.  Dieter keeps using the excuse (thru Claus Urbach)
there's something wrong with my email (trust me there's not)
and pushes the blame on me.

So here I am, a clock with issues, and no support.  Claus
has been great, but told me there's nothing more he can do.
 I noticed Dieter has pulled the links on his site and Claus
doesn't have the kit listed anymore so who knows what the
situation is?

For those of you who were considering purchasing the IN-18
Blue Dream I would highly advise you don't due to poor
customer service.  It's a shame, because it's a really nice
clock.

Dieter, ball is in your court, I know you read this site, I
await your reply.






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Re: [neonixie-l] Nocrotec IN-18 Blue Dream.....Poor Customer Service

[Instrument Resources of America]

It is possible that the neons DO need to be replaced, as they themselves 
may be marginal, and therefore need to be replaced. I've had to replace 
a lot of neons and nixies in my time due to a number of issues, 
including being marginal on firing voltage. Either option is easy and 
inexpensive.  Ira.



On 1/14/2017 8:41 AM, Greg P wrote:

Thanks Ira...I will take your advice and report back.

On Saturday, January 14, 2017 at 11:23:02 AM UTC-5, I wrote:

I have been a tech going on 60 years now, but am NOT familiar with
this clock. I am willing to help as much as I can from here.
OBVIOUSLY there is an explanation, and reason for this happening.
You just have not unraveled it as yet. To begin with I must ask
you a number of questions. Do you have, or have access to a DVM?
How many digits are displayed for the TIME? How many for the DATE?
How many in 'service mode'? My initial thoughts (GUESS) are this.
The H.V. power supply MAY be becoming MARGINAL. Delivers enough
voltage to light the colons in service mode and for the date, but
for some reason not the time. What I'd like for you to do if
possible is monitor the voltage to the colons, while switching the
mode from time, to date, to service mode. Record the readings vs
mode, and lets see if that tells us anything. You will be
measuring H.V. so be very careful. If you do not feel comfortable
doing this, have someone versed in H.V. measurement help you. Ira.


On 1/14/2017 7:28 AM, Greg P wrote:


Let me start out by saying, I don't like posting negative
information as I've found everyone here to be awesome and
helpful.  After trying for the better part of a month to get my
issue resolved *PRIVATELY, *I feel I need to share with the group.

Approximately, 4 years ago I ordered and built the Nocrotec IN-18
Blue Dream and it's performed flawlessly until recently.  I
noticed the lower NE-2 neons (wired in series) in the colon
towers were intermittently lighting when displaying the *TIME*
only.  All other functions such as displaying date, and in
Service Mode the lower NE-2's work just fine.  Additionally, I
checked wiring and all connections etc. and everything is OK.

So I reached out to Dieter no less than 4 times asking for advice
and got *NO RESPONSE. *It wasn't until I emailed Claus Urbach,
(the site that sells the IN-18 Blue Dream Kit) that I got a
lukewarm excuse filled reply which was to replace the colon
towers.  If the NE-2's were bad, why do they work in Service Mode
and when displaying date?

I continued to reach out to Dieter for help, and was ignored.
 Dieter keeps using the excuse (thru Claus Urbach) there's
something wrong with my email (trust me there's not) and pushes
the blame on me.

So here I am, a clock with issues, and no support.  Claus has
been great, but told me there's nothing more he can do.  I
noticed Dieter has pulled the links on his site and Claus doesn't
have the kit listed anymore so who knows what the situation is?

For those of you who were considering purchasing the IN-18 Blue
Dream I would highly advise you don't due to poor customer
service.  It's a shame, because it's a really nice clock.

Dieter, ball is in your court, I know you read this site, I await
your reply.






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Re: [neonixie-l] Nocrotec IN-18 Blue Dream.....Poor Customer Service

[Instrument Resources of America]

I have been a tech going on 60 years now, but am NOT familiar with this 
clock. I am willing to help as much as I can from here. OBVIOUSLY there 
is an explanation, and reason for this happening. You just have not 
unraveled it as yet. To begin with I must ask you a number of questions. 
Do you have, or have access to a DVM? How many digits are displayed for 
the TIME? How many for the DATE? How many in 'service mode'? My initial 
thoughts (GUESS) are this. The H.V. power supply MAY be becoming 
MARGINAL. Delivers enough voltage to light the colons in service mode 
and for the date, but for some reason not the time. What I'd like for 
you to do if possible is monitor the voltage to the colons, while 
switching the mode from time, to date, to service mode. Record the 
readings vs mode, and lets see if that tells us anything. You will be 
measuring H.V. so be very careful. If you do not feel comfortable doing 
this, have someone versed in H.V. measurement help you. Ira.



On 1/14/2017 7:28 AM, Greg P wrote:


Let me start out by saying, I don't like posting negative information 
as I've found everyone here to be awesome and helpful.  After trying 
for the better part of a month to get my issue resolved *PRIVATELY, *I 
feel I need to share with the group.


Approximately, 4 years ago I ordered and built the Nocrotec IN-18 Blue 
Dream and it's performed flawlessly until recently.  I noticed the 
lower NE-2 neons (wired in series) in the colon towers were 
intermittently lighting when displaying the *TIME* only.  All other 
functions such as displaying date, and in Service Mode the lower 
NE-2's work just fine.  Additionally, I checked wiring and all 
connections etc. and everything is OK.


So I reached out to Dieter no less than 4 times asking for advice and 
got *NO RESPONSE. *It wasn't until I emailed Claus Urbach, (the site 
that sells the IN-18 Blue Dream Kit) that I got a lukewarm excuse 
filled reply which was to replace the colon towers.  If the NE-2's 
were bad, why do they work in Service Mode and when displaying date?


I continued to reach out to Dieter for help, and was ignored.  Dieter 
keeps using the excuse (thru Claus Urbach) there's something wrong 
with my email (trust me there's not) and pushes the blame on me.


So here I am, a clock with issues, and no support.  Claus has been 
great, but told me there's nothing more he can do.  I noticed Dieter 
has pulled the links on his site and Claus doesn't have the kit listed 
anymore so who knows what the situation is?


For those of you who were considering purchasing the IN-18 Blue Dream 
I would highly advise you don't due to poor customer service.  It's a 
shame, because it's a really nice clock.


Dieter, ball is in your court, I know you read this site, I await your 
reply.







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Re: [neonixie-l] Electrostatic CRT Tester

[Instrument Resources of America]

I'm just making a wild guess here Marcin, what you may have is the 
CRT used in the Hughes Aircraft Ground Systems Group, radar display 
consoles which were part of a completely digital Navy Tactical Data 
System from about the late 1950's. 
http://ethw.org/First-Hand:Moving_the_Firing_Key_to_NTDS_-_Chapter_6_of_the_Story_of_the_Naval_Tactical_Data_System 
Scroll down until you see the display consoles. When I was in the Navy, 
a very long time ago, I worked on this system, although NOT the 
displays.  Ira.



On 12/7/2016 2:44 PM, Marcin Adamski wrote:
What I have in mind is a huge display (well, 12 inches ;)) showing 
'Sauron eye' looking in the direction of an approaching person. The 
orange long P19 phosphor would be perfect for that. Alternatively the 
Matrix like effect with the clock face made of symbols brighter just 
enough. And moving around. Saves from trace burnouts. Display 
activated by motion/presence sensor. Otherwise HV off, filament at 
~0.3 nominal.
My plan is to use raspberry pi for the logic. Deflection is a bit 
tricky. 8bit DAC is not enough and what's really tricky is the 
amplifiers able to deliver over 1kV. The 10kV acceleration seems 
reasonably easy in comparison. Anyway, probably it will be maaany 
years till I am able to dive into this project.
BTW, the Dumont tubes look very modern - flat screen, metalized - 
state of the art. But the Russian has the real appeal - curved screen, 
permanent hand writing, vintage shape of the funnel.


Marcin

On 08-Dec-16 02:24, Nicholas Stock wrote:

That's a beast! 10KV on the PDA. I'll let Grahame chime in on whether
the add-on will work with that tube, but I think it should do. I have a
couple of similar 12ACP19 tubes that I'm hoping to make a clock out
ofnot your average desk clock either..;-)

On Wed, Dec 7, 2016 at 4:43 AM, Marcin Adamski
mailto:marcin.r.adam...@gmail.com>> wrote:

No, sorry the Dumont is K2249P19, not K2261P7.

On 7/12/2016 14:28, Nicholas Stock wrote:

Marcin, what 12 inch tubes do you have?

Nick


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Re: [neonixie-l] Re: Oscilloscope Music

[Instrument Resources of America]

Only five seconds here.  Ira.


On 12/5/2016 5:24 PM, 'Terry S' via neonixie-l wrote:
I was sick of it after about a minute and physically sick by 
minute two.


On Monday, December 5, 2016 at 4:24:38 PM UTC-6, Frank Bemelman wrote:

Interesting...

https://www.youtube.com/watch?v=XziuEdpVUe0


Cheers,
Frank


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Re: [neonixie-l] tube coil OT

[Instrument Resources of America]

Please excuse me, as this was discussed I think on a different forum, 
TCA (Tube Collectors Association). And it was determined there that 
these were I.F. transformers sealed in glass envelopes to protect them 
from the environment. Ira.



On 11/28/2016 4:38 PM, Instrument Resources of America wrote:


Isn't this an example of the recently discussed I.F. transformers in 
glass tube envelopes, discussed here very recently?  Ira.



On 11/28/2016 4:06 PM, 'westdave' via neonixie-l wrote:

coils in tubes ? found two at the swap meet  what? why?  ?
could one make a LC neon flasher?
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Re: [neonixie-l] tube coil OT

[Instrument Resources of America]

Isn't this an example of the recently discussed I.F. transformers in 
glass tube envelopes, discussed here very recently?  Ira.



On 11/28/2016 4:06 PM, 'westdave' via neonixie-l wrote:

coils in tubes ? found two at the swap meet  what? why?  ?
could one make a LC neon flasher?
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Re: [neonixie-l] Sand clock

[Instrument Resources of America]

Lends total and complete new meaning to the phrase of "The sands of time 
through the hour glass". So very cool. Thanks, Ira.



On 11/8/2016 8:20 AM, 'jf...@my-deja.com' via neonixie-l wrote:

Not nixies, but interesting

https://www.elektor.com/sandclock-160065-71?utm_source=Elektor+United+States+%28English%29&utm_campaign=4c9b63a752-19april2016_Siglent_NL_4_15_2016&utm_medium=email&utm_term=0_8b7374950c-4c9b63a752-234906893&mc_cid=4c9b63a752&mc_eid=747f1b4e42

"This supercool gadget built around an Arduino Uno writes the time 
into a layer of sand. After an adjustable time the sand is flattened 
out by two vibration motors and everything begins all over again."


Disclaimer:  I am a subscriber to Elektor, but have no other 
relationship to the seller.

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Re: [neonixie-l] Re: The PandiClock Project

[Instrument Resources of America]

Suggestion. If you would like to get away from seeing the solder next 
time, try soldering from the 'inside'. You can also do the following, 
drill a small hole in the outside piece of copper in the area where the 
pieces will fit together, assemble the pieces together, and then apply 
the solder through that hole.   Ira.



On 10/18/2016 9:13 AM, SWISSNIXIE - Jonathan F. wrote:
Thanks for your answers! Im currently looking into steampunkt 
techniques. I really want to use a few fancy engraved metal plates, 
but they are terrible expensive.


Update on work:

I have soldered some parts of the tube holder, see images attached.
Also you can see how the tube will sit in there.


For the tube i want to use a rubber socket, if i can find someone who 
can print 3D rubber, if not, i will use the standart 3D print material.

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Re: [neonixie-l] Rare Nimo Tubes

[Instrument Resources of America]

On 8/7/2016 9:25 AM, John Rehwinkel wrote:

I took the bait and picked up 4 of these to add to my future projects pile.  
That said, I've never experimented with voltages beyond the dekatron range.  I 
don't know that I'm interested at this point in building my own kV PSU 
(although I would be eventually).  Can anyone recommend a relatively 
inexpensive off the shelf PSU to drive these with?

I like using a CCFL supply with a voltage doubler.  Since only a tiny amount of 
current is required, you can also get away with a lower voltage supply (like a 
Tayloredge) and quite a few stages of multiplication.
Another cheap and common source is those handheld electric flyswatters (which 
will give around 2kV from a pair of AA cells).  Negative ion generators are 
cheaply available as surplus, and can also furnish several kilovolts easily.  
Copiers and laser printers can be a source (their corona wires use high 
voltage), or ozone generators, CRT and plasma TVs, and electrostatic dust 
precipitators.
You missed electronic bug zappers, the kind that you hang up with the 
U.V. fluorescent lamp in them.  Ira



   According to the datasheet, I should be looking for 2.5kV on the anode, with 
1.1V on the filament.  I'm not sure exactly how to drive the grid.

There are ten grids, one for each digit.  You can actually drive them directly 
with CMOS logic, if the filament voltage is appropriate, they only take a few 
volts.  You drive one a few volts positive (relative to the cathode) to light 
that digit, and drive the rest of them a few volts negative (also relative to 
the cathode: in CRTs, all voltages are measured relative to the cathode).  A 
common lashup is like in the data sheet, where pulldown resistors keep the 
grids held low, and transistors are used to pull one positive at a time to 
light the digit wanted.


   Does the grid consist of the cathodes?

The filament is actually the cathode.  The grids are the apertures for each 
digit.  You can drive the filament using an ordinary transformer, with dropping 
resistors or capacitors calculated to deliver the rated amount of power.  You 
can even drive it directly from a pair of 5V inverters operated out of phase, 
along with appropriate dropping resistors or capacitors.  In this instance, 
capacitors are preferred, so you can bias the filament to the DC voltage you 
want to make the grids voltages easy to work with.  If you're working with 10V 
CMOS, and bias the filament to +6V, you can simply ground the grids that are 
off, and connect the one you want to turn on to +10V.  This will give the grids 
the -6V/+4V swing (relative to the cathode) that they're supposed to see.


   Apologies, but I have zero CRT experience at this point, and any pointers 
would be appreciated.  I'd like to at least be able to test these when they 
come in.

The easiest test is a continuity test to make sure the filament isn't broken.  
However, I'm guessing you want to see one lit.  Go find one of those electric 
flyswatters for the anode voltage (they're a few dollars), and be careful, you 
don't want to touch high voltage, and have your reflex throw your tube across 
the room!

- John



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Re: [neonixie-l] Very useful Burroughs application note/brochure #616

[Instrument Resources of America]

YES!!!  Thank you very much indeed.  Ira.


On 8/6/2016 10:29 AM, MichaelB wrote:
Wow! Neat site! Lots of good info and the docs are very legible! 
Thanks for posting!


On Saturday, August 6, 2016 at 3:31:55 AM UTC-7, johnk wrote:

Thanks for that Nick; I mentioned your post on the TCA Group and
got this from Eric Barbour...
"Um, you do know about this website, right?
http://ferretronix.com/tech/nixie/pdf/
 "
John K

- Original Message -
*From:* Nick 
*To:* neonixie-l 
*Sent:* Friday, August 05, 2016 10:21 PM
*Subject:* [neonixie-l] Very useful Burroughs application
note/brochure #616

The enclosed Burroughs brochure #616 contains pretty much all
the essential info you need about nixies and how to drive
them, including multiplexing & Beam-X tubesetc. I found it in
my archives (don;t know who originally scanned it) whilst
digging around for the schematics of my two Burroughs modular
nixie PSUs (VC-12-170 & VC-28-170).

Really a very good read.

Nick
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Re: [neonixie-l] Re: Australian Nixies!!

[Instrument Resources of America]

The talent on this site never fails to astound me. What absolute works 
of art.  Ira.



On 8/1/2016 5:26 PM, 'threeneurons' via neonixie-l wrote:
My apologies to Roddy. From the looks of that gallery, everybody, and 
their mom, has better brass skills than I do !


On Friday, July 22, 2016 at 1:02:47 AM UTC-7, Paul Parry wrote:

Hi Mike, many thanks for the plug!

Do need to make a correction though - the clock on the left was
made by Roddy and is in the Gallery, along with many clocks people
have sent in http://www.bad-dog-designs.co.uk/submitted.html
 have a look
through, there are some amazing creations in there - lots from
many members of this group!

The clock on the right is one of mine though :)



On Thursday, 21 July 2016 20:25:48 UTC+1, threeneurons wrote:

I'm currently trying to get my brass working skills up. Just
good enough for trim, and few accents.

The guy that has an eye for brass is Paul Parry
(http://www.bad-dog-designs.co.uk
):

Even with a lot of practice, by the time I'm a quarter as good
as him, I'll be dead for 20-years !

A couple of examples of his work:





Go to his site (see above). He's made a lot of clocks !




On Thursday, July 21, 2016 at 1:46:06 AM UTC-7, Roddy Scott
wrote:

I like that design, very simple but elegant.

Wood shows off Nixies so well, add some brass and it is a
winning combination.

The clock I am building just now features your Dekatron
Spinner board with an OG-4

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