[neonixie-l] Re: SP-431 panaplex displays, looking for opinions on whether to desolder from module

[Yohan Park]

You can use the + as a PM indicator

On Monday, October 23, 2023 at 3:43:29 PM UTC+2 Adam Piórko wrote:

> It looks like VFD displays. If the "plus" is lit, the module seems to be 
> functioning properly. If you enjoy reverse engineering, you can try to make 
> a clock from this module. Two things need to be discovered.
>
>1. How to send a digit? If it's a counter, it might be challenging. 
>Incrementing by +1 might be too slow, and digit changes will be visible.
>2. It's unknown if there's a reset to zero (reset function) - if not, 
>you'll have to add up to 99. 
>
> You can make a 24-hour clock out of it. There's no "AM/PM" - unless you 
> add it on the side or skip it.
>
>
> niedziela, 22 października 2023 o 13:47:29 UTC+2 ZY napisał(a):
>
>> Pictures attached
>>
>>

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Re: [neonixie-l] Nixie tubes seen in "Oppenheimer" previews in equipment

[Yohan Park]

>From an article on computerhistory.org:

The 'Nixie' display design originated in 1929 by a Chicago inventor named 
Henninger. At first, such tubes were custom-made for use as advertising 
signs. A few early gas-discharge display tubes using the stacked-cathode 
system were made by National Union and Telefunken prior to 1945. The 
specific design used in the mass-produced Nixie tubes was developed around 
1948 by the Haydu brothers, who sold the patent to Burroughs in 1952.

So, 
Possible? Yeah
Likely? Nah

On Thursday, September 14, 2023 at 6:46:10 PM UTC+2 petehand wrote:

> Here is the original patent application for the Nixie tube, applied for 
> May 9th 1934, granted (US #2142106) on Jan 3rd 1939. So it's at least 
> possible there were Nixies at Los Alamos during that period. 
>
>
> On Tuesday, July 11, 2023 at 8:36:21 PM UTC-7 J Forbes wrote:
>
>> I recognize a corner of a BC-348Q. 
>>
>>
>> On Tuesday, July 11, 2023 at 6:54:48 PM UTC-7 Audrey wrote:
>>
>>> It definitely isnt accurate since they're IN-12 or IN-14 
>>>
>>> On Tue, Jul 11, 2023, 9:48 PM Nicholas Stock  wrote:
>>>
 [image: image.jpeg]

 Certainly look like nixies, but that would be historically inaccurate 
 right? Nixies weren't around until 1955 onwards.

 On Tue, Jul 11, 2023 at 6:41 PM Mike  wrote:

> Accurate or not? I'm saying not accurate because the timing equipment 
> that has been shown in photos was all mechanical. 
>
> What say you experts?
>
> Michael Harpe
> Sellersnurg, IN USA
>
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>>> To view this discussion on the web, visit 
 https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHLjjBFrB%2BLR4RL1OmPT1%3De%3DVKxmN%3DGPyVWWVM1Nhh7oSA%40mail.gmail.com
  
 
 .

>>>

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Re: [neonixie-l] Re: Seriously? This is out of control on ebay

[Yohan Park]

I threw away a couple of IN-18 tubes that had broken nipples a few weeks 
ago. Should have sold them for $25 each...
On Friday, May 19, 2023 at 10:18:46 PM UTC+2 Mac Doktor wrote:

> On May 19, 2023, at 4:01 PM, Audrey  wrote:
>
> Did you get your refund, at least?
>
>
> Yes, they were totally cool about it. I received the wrong item and didn't 
> have to send it back.
>
> They could have been lying about the situation, of course, but at least I 
> ended up with some extra toys.
>
>
> On May 19, 2023, at 4:08 PM, Nicholas Stock  wrote:
>
> I advise folks not to look at their eBay shop at work if your screen is 
> visible to others, they appear to offer a number of 'adult toys' if you get 
> my drift.
>
>
> Those were the "extra toys" that I ended up with. 8D
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> https://www.astarcloseup.com
>
> "There is no Main Street anymore except at Disneyland—and try and buy a 
> gun there"—Hank Hill
>
>

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Re: [neonixie-l] Interesting! (not my listing)

[Yohan Park]

Yes, I think we all know that ;)
But it's not just Nixie tubes we talk about in this group.

On Friday, May 12, 2023 at 2:21:53 PM UTC+2 peter bunge wrote:

> Except they are not nixie tubes. They are Incandescent 7 segment displays. 
> It says so on the watch "Numitron"
>
> On Thu, May 11, 2023 at 10:08 PM martin martin  wrote:
>
>>
>> https://www.ebay.com/itm/195748248206?mkcid=16=1=711-127632-2357-0=eo3lWCoqQIe=2047675=PHyjOWfuSxi_ver=artemis=COPY
>>
>>
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>>  
>> 
>> .
>>
>

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Re: [neonixie-l] I won't be buying this...

[Yohan Park]

Karlsson Cock? No thanks 藍藍藍

On Sunday, May 7, 2023 at 9:51:45 AM UTC+2 Terry Kennedy wrote:

> On Saturday, May 6, 2023 at 9:53:43 PM UTC-4 Terry S wrote:
>
> Jeff Thomas, yes. But this was really the first "product" nixie clock of 
> the modern era. 
>
>
> Oops, got my Jeffs mixed up.
>

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[neonixie-l] Re: Slightly off topic but still a Neon filled tube: Neva Franck-Hertz tube, help to get it running please!

[Yohan Park]

What have you checked to conclude "the tube seems to work just fine"?
Perhaps too obvious but have you checked with a neon tester to see if 
there's still neon inside?

On Saturday, May 6, 2023 at 6:06:50 PM UTC+2 Dekatron42 wrote:

> I've been able to buy a Neon filled Franck-Hertz tube together with its 
> control unit. Everything looks fine, the output voltages from the control 
> unit are correct and the tube seems to work just fine, however I can't get 
> the experiment to work properly.
>
> Is there anyone here on the forum that can help me out?
>
> I have checked all voltages and used this guide: 
> http://www.bastgen.de/schule/physik/13/Material/Franck-Hertz-Neon.pdf
>
> The control unit can be seen here: 
> https://www.uranmaschine.de/87051.Neva_6751_Franck-Hertz-Roehre_mit_Quecksilber/87051.Neva_6756_Franck-Hertz-Betriebsgeraet_hires.jpg
>
> What I am trying to do is specifically the part where you are supposed to 
> get one or more clusters of neon atoms being excited like in this photo: 
> https://www.leybold-shop.com/media/phk/images/versuche/P6243_Schirmbild.jpg
>
> [image: 
> https://www.leybold-shop.com/media/phk/images/versuche/P6243_Schirmbild.jpg] 
>
>

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Re: [neonixie-l] Re: does anyone know the trick to pre tin the leads on mtx-90 tubes

[Yohan Park]

Just tried with my iron set to the highest temperature (480C/896F), added 
lead based solder to try to make it going but nothing happened.
So either you're soldering at insanely high temperatures or they've used 
different materials over the years... :)

On Saturday, April 29, 2023 at 2:01:11 PM UTC+2 Jasper nagle wrote:

> I was able to melt the blobs on the mtx-90 with a soldering iron so it 
> must be something like tin or lead 
>
> On Sat, 29 Apr 2023 at 7:56 pm, Yohan Park  wrote:
>
>> No that's not true. It's not solder but a different metal (can't recall 
>> what it is) to make it easy to solder. You won't be able to melt the blobs 
>> with your soldering iron though.
>>
>> On Friday, March 24, 2023 at 1:10:31 PM UTC+1 Paul Andrews wrote:
>>
>>> I had read that the little balls on the ends of the leads are solder. Is 
>>> that not true?
>>>
>>> On Friday, March 24, 2023 at 7:17:05 AM UTC-4 Jasper nagle wrote:
>>>
>>>> thanks for that
>>>>
>>>> On Fri, Mar 24, 2023 at 7:01 PM Batareyka  wrote:
>>>>
>>>>> H3PO4
>>>>> or
>>>>> H3PO4 + HCl (10:1)
>>>>>
>>>>> пятница, 24 марта 2023 г. в 12:33:31 UTC+2, Jasper nagle: 
>>>>>
>>>>>> tubes im having no luck putting tin to them i even managed to tin the 
>>>>>> painted surface i was working on in the process 
>>>>>>
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>>>>> .
>>>>>
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Re: [neonixie-l] Re: does anyone know the trick to pre tin the leads on mtx-90 tubes

[Yohan Park]

 No that's not true. It's not solder but a different metal (can't recall 
what it is) to make it easy to solder. You won't be able to melt the blobs 
with your soldering iron though.

On Friday, March 24, 2023 at 1:10:31 PM UTC+1 Paul Andrews wrote:

> I had read that the little balls on the ends of the leads are solder. Is 
> that not true?
>
> On Friday, March 24, 2023 at 7:17:05 AM UTC-4 Jasper nagle wrote:
>
>> thanks for that
>>
>> On Fri, Mar 24, 2023 at 7:01 PM Batareyka  wrote:
>>
>>> H3PO4
>>> or
>>> H3PO4 + HCl (10:1)
>>>
>>> пятница, 24 марта 2023 г. в 12:33:31 UTC+2, Jasper nagle: 
>>>
 tubes im having no luck putting tin to them i even managed to tin the 
 painted surface i was working on in the process 

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>>>  
>>> 
>>> .
>>>
>>

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

[Yohan Park]

Why should the minus sign be on the right?
There's no rule that says the numbers have to allign to the right side of 
the display. Why not allign them to the left?
So instead of displaying  -..1234 make it display -1234.. 
(the dots represent non lit tubes).

On Tuesday, October 27, 2020 at 3:08:48 PM UTC+1 newxito wrote:
...
- And finally, the neon for the minus sign should be on the right :-)


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

[Yohan Park]

Ha ha, awesome :D

On Sunday, April 16, 2023 at 4:29:13 PM UTC+2 newxito wrote:

> For pi press [F] + [sin] :-)
>
> Yohan Park schrieb am Sonntag, 16. April 2023 um 15:16:07 UTC+2:
>
> Aaw, no π key to show off the 13 decimals ;)
> But seriously, awesome job!!!
> On Saturday, April 15, 2023 at 11:05:03 PM UTC+2 newxito wrote:
>
> I uploaded a draft of the calculator manual. This will be the 
> functionality of the first public firmware release...  still work in 
> progress...
>
> https://github.com/axtar/14-digits-nixie-calculator/blob/main/Docs/14-digit%20Nixie%20Calculator%20Manual.pdf
>
>

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

[Yohan Park]

Aaw, no π key to show off the 13 decimals ;)
But seriously, awesome job!!!
On Saturday, April 15, 2023 at 11:05:03 PM UTC+2 newxito wrote:

> I uploaded a draft of the calculator manual. This will be the 
> functionality of the first public firmware release...  still work in 
> progress...
>
> https://github.com/axtar/14-digits-nixie-calculator/blob/main/Docs/14-digit%20Nixie%20Calculator%20Manual.pdf
>

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Re: [neonixie-l] NIMO

[Yohan Park]

I think these would fit nicely with the Nimo tubes.
https://www.ebay.com/itm/195661812653
On Tuesday, April 4, 2023 at 4:42:56 PM UTC+2 jörg wrote:

> Is there a green-glow flathead indicator tube available? 
> Size like the MTX-90 Thyratron or smaller. I would like to use them as 
> colons for separating H:M:S.
>
> On Saturday, April 1, 2023 at 9:42:51 PM UTC+2 jörg wrote:
>
>> A short update to my NIMO project.
>> Meanwhile I've put the tubes in a 3D resin printed frame.
>> The print is not perfect, but very promising.
>> I'm very pleased with this setup.
>>
>>
>> Some pictures:
>> [image: IMG_2890.jpeg] [image: IMG_2880.jpeg] [image: IMG_2879.jpeg]
>>
>> On Tuesday, September 27, 2022 at 5:41:56 PM UTC+2 jörg wrote:
>>
>>> Yes, this is the clock from Roger.
>>> And he is the guy, who helped me out with one tube, becaue one of mine 
>>> was outgassed.
>>> Again, thank you very much selling me one.
>>> His is the leftmost one in the video, it is a BA -P31 
>>> (blueish-green), whereas mine are 6000-92-0006 (yellow-green). 
>>> And the font is slightly diffent to the others.
>>>
>>> And, @all please take it not too serious, the clock is for sure not the 
>>> worlds first 6 tube nimo clock, as it is not the most dangerous one...
>>>
>>> http://lampes-et-tubes.info/cd/cd085.php
>>> https://www.industrialalchemy.org/articleview.php?item=943
>>>
>>>
>>> On Tuesday, September 27, 2022 at 4:37:18 PM UTC+2 Dekatron42 wrote:
>>>
 Nice to see one more 6 digit Nimo clock!

 There's at least one other 6 digit Nimo clock that was shown on Youtube 
 about a year ago: https://www.youtube.com/watch?v=JA1oeqavMg8=3s

 /Martin

 On Tuesday, 27 September 2022 at 16:13:27 UTC+2 gregebert wrote:

> Really nice work!   Congratulations on being the first 6-tube NIMO 
> clock I've ever seen or heard of.
>
> On Tuesday, September 27, 2022 at 1:58:53 AM UTC-7 jörg wrote:
>
>> Just a small update,
>> I've made a short video regarding the build of my 6 tube nimo clock.
>> And thank's a lot to astroschmidt to sell me one of his nimo's to 
>> complete my clock.
>> You sure will see his nimo in the video. 
>>
>> https://www.youtube.com/watch?v=VAhWgG5TKMg
>>
>> All the best to gregebert project and his brand new nimo's.
>> On Wednesday, October 21, 2020 at 1:24:27 PM UTC+2 
>> w...@kitsunegari.net wrote:
>>
>>> On Sunday, October 4, 2020 at 3:09:46 PM UTC+2 jörg wrote:
>>>
 So, if there is someone in the group, who is willing to sell a nimo 
 which might join the other five, pls. pm me.
>>>
>>>
>>> You could ask Fran Blanche
>>> She's got a few Tubes and only has 1 in use and not enough to build 
>>> a clock.
>>> Maybe she's willing to part with one "for science".
>>> Tell her you're building a 6-tube clock and she's your only hope...
>>> https://www.youtube.com/channel/UCMLgHbpJ8qYqj3CkdbvC0Ww
>>>  
>>>
>>

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Re: [neonixie-l] Is there a cheaper alternative to the IN-18 at that size?

[Yohan Park]

Thanks Grahame
Weird, I just got my own post in my email but when I click the link to see 
the discussion on the web it still says the requested discussion cannot be 
found. And I don't see it in this thread either...

On Saturday, April 1, 2023 at 2:41:31 PM UTC+2 Grahame wrote:

> Hi everyone
>
> As Nick said, Google sometimes puts messages into a "Pending" folder 
> requiring  moderator approval. I just approved 3 pending messages including 
> the one from you, Yohan. This is a Google thing and we just have to live 
> with it.
>
> Moderators
> On 31/03/2023 18:52, Nicholas Stock wrote:
>
> For some reason, Google flags some responses to messages for moderators to 
> approve before they get posted to the list. Apologies for this, but not 
> much we can do as far as I know, except approve them when we get notified.
>
> Cheers,
>
> Nick
>
> On Fri, Mar 31, 2023 at 10:50 AM Yohan Park  wrote:
>
>> Strange I posted a reply as well but it got deleted...
>> Any reason?
>>
>> On Friday, March 31, 2023 at 7:45:17 PM UTC+2 Christian Riise Wagner 
>> wrote:
>>
>>> I agree with Terry. Leave the coating on, unless it's damaged!
>>>
>>> fredag den 31. marts 2023 kl. 18.09.14 UTC+2 skrev Mac Doktor:
>>>
>>>>
>>>> On Mar 28, 2023, at 9:07 AM, Zachary Laurin  
>>>> wrote:
>>>>
>>>> Do you know if it's possible to remove the red coating from the Z566?
>>>>
>>>>
>>>> Oh, the humanity. They're so beautiful.  
>>>>
>>>> Use Z5660Ms instead. 8D 
>>>>
>>>>
>>>> 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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> https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHLNxEyyg0UUR8EHc14Cza2YL%2BQbF0rTy8kFWRUsBir%2BUg%40mail.gmail.com
>  
> <https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHLNxEyyg0UUR8EHc14Cza2YL%2BQbF0rTy8kFWRUsBir%2BUg%40mail.gmail.com?utm_medium=email_source=footer>
> .
>
>

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Re: [neonixie-l] Is there a cheaper alternative to the IN-18 at that size?

[Yohan Park]

Not cheaper but around the same price: Millclock's ZIN-18
They come with full warranty and are brand new. Unless you really want 
vintage tubes I think they're a better deal than IN-18 tubes.

On Friday, March 31, 2023 at 11:11:48 AM UTC+2 Zachary Laurin wrote:

> Do you know if it's possible to remove the red coating from the Z566?
>
> On Mon, Mar 27, 2023, 9:23 p.m. Nicholas Stock  wrote:
>
>> Hi Zachary, IN-18 equivalents that come to mind are Z566, Z5660, 
>> ZM1040/1042, LC631. With regards to price, they're all about the same these 
>> days, but I have noted that IN-18's have gone up a lot... the Z566 type are 
>> nicer tubes IMHO. I've seen them for about $50 each occasionally, but 
>> that's a used price these days...some NOS ones for about $60 each.
>>
>> If you can find them, National had NL807/821 type nixies that are larger 
>> than IN-14 but smaller then IN-18. Lovely tubes, but a bit on the rare 
>> side. Still priced cheaper than IN18's though, the last time I saw them 
>> listed. 
>>
>> Cheers,
>>
>> Nick
>>
>> On Mon, Mar 27, 2023 at 6:04 PM Zachary  wrote:
>>
>>> Hello,
>>>
>>> I was wondering if there was any Nixie tube (American or Russian) that 
>>> was similar in size (Anything bigger than the IN-14 basically) to the IN-18 
>>> but that can be found for cheaper on Ebay.
>>>
>>> Thanks in advance
>>>
>>> -- 
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>>>  
>>> 
>>> .
>>>
>> -- 
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>>  
>> 
>> .
>>
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Re: [neonixie-l] Is there a cheaper alternative to the IN-18 at that size?

[Yohan Park]

Strange I posted a reply as well but it got deleted...
Any reason?

On Friday, March 31, 2023 at 7:45:17 PM UTC+2 Christian Riise Wagner wrote:

> I agree with Terry. Leave the coating on, unless it's damaged!
>
> fredag den 31. marts 2023 kl. 18.09.14 UTC+2 skrev Mac Doktor:
>
>>
>> On Mar 28, 2023, at 9:07 AM, Zachary Laurin  
>> wrote:
>>
>> Do you know if it's possible to remove the red coating from the Z566?
>>
>>
>> Oh, the humanity. They're so beautiful. 
>>
>> Use Z5660Ms instead. 8D
>>
>>
>> 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] New Nixie Tubes?

[Yohan Park]

$120 each and they look like IN-18 tubes.
I'd rather pay $9 more on a huge Millclock ZIN-70 tube.

On Saturday, February 18, 2023 at 1:32:47 PM UTC+1 Dekatron42 wrote:

> Now, there's a proper Nixie tube with a proper socket, I love it!
>
> Now I just hope that they will work just as well as Dalibor's and come 
> with an identical, or better, warranty and sold cheap! :)
>
> /Martin
>
> On Saturday, 18 February 2023 at 02:40:39 UTC+1 Mac Doktor wrote:
>
>> On Feb 17, 2023, at 6:15 PM, Audrey  wrote:
>>
>> https://youtu.be/pv01SKiYJz4
>>
>> https://twitter.com/LCLR29380401/status/1623875027685834753
>>
>> https://twitter.com/SaduduH/status/1568858119891197952
>>
>>
>>
>> Excellent choice of avatar.
>>
>>
>> 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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[neonixie-l] Re: Label Makers

[Yohan Park]

I'm using a Dymo 450 Duo
It's really 2 in 1 since the top printer can print paper address labels and 
the bottom printer prints laminated ribbon labels up to 24mm.
The nice thing is it's connected to my PC so I can print anything,  
including graphics, on the laminated labels.

On Wednesday, June 8, 2022 at 1:21:46 PM UTC+2 Jeffry P wrote:

> During the past 20 years or so I've collected various types of inkjet 
> label stock (sheets of blank labels). Most are leftovers from different 
> projects or obtained at garage sales ( a great resource for ALL things 
> labels), office store clearance, etc. I now have 'sticky paper'  in just 
> about every size all the way up to full sheets. Sometimes I use the label 
> printing software , but usually a simple text editor works fine to print 
> using my inkjet. I had one of those fancy shrink tube printers once and it 
> worked great! I used it to re-label the branches of artificial christmas 
> tree limbs when I was working for a decorating firm.  Oh I also have a Dymo 
> embosser for 2 different size labels, a P-touch, a Brady wire label 
> printer, and a Brother label printer!
>
> Jeffry
>
> On Tuesday, June 7, 2022 at 6:32:45 PM UTC-5 Terry Bowman wrote:
>
>> My collection of Nixie tubes, magic eyes and everything else you can 
>> name. has grown to the point where I need to get serious about storage. One 
>> aspect of this is labelling things. I'm tired of writing on boxes with a 
>> Sharpie.
>>
>> I really like the capabilities of this Epson series:
>>
>>
>> https://www.amazon.com/LABELWORKS-LW-PX300-Industrial-Label-Maker/dp/B08JQMFZ6F
>>
>> https://www.amazon.com/dp/B08JQMJ7RD
>>
>>
>> I know there's cheaper stuff out there and the profit is in selling tape 
>> cartridges (*à la* printer ink) but this thing prints on heat-shrink 
>> tubing.
>>
>> So what are you guys using?
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor"
>>
>> https://www.astarcloseup.com
>>
>> “...the book said something astonishing, a very big thought. The stars, 
>> it said, were suns but very far away. The Sun was a star but close 
>> up.”—Carl Sagan, "The Backbone Of Night", *Cosmos*, 1980
>>
>>
>>

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[neonixie-l] Red and green Numitrons

[Yohan Park]

This seller's offering red and green coated Numitrons.
Does anybody know if these are factory coated? Haven't seen them before.

https://www.ebay.com/itm/numitron-/114307356659 


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[neonixie-l] Re: What is going on?

[Yohan Park]

We're at the point where old tubes are getting more expensive than brand 
new (and WAY bigger) tubes.
It's getting into collector's territory, not love for Nixies.
If you're into it for the love Nixie tubes and neon, count yourself lucky 
we have people like Dalibor around.
If you're a collector, be prepared to pay a lots of money.
On Tuesday, September 7, 2021 at 4:11:55 PM UTC+2 Pramanicin wrote:

> 9 x NL900 tubes just sold for $609 on eBay. That is insane. They're 
> literally NL840's with a flat top. $609. 
>
>
>

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Re: [neonixie-l] Tubes that turn it up to eleven: Hivac XN-2

[Yohan Park]

That 0 of the 10 looks quite odd. Is it made using 2 cathodes?

On Friday, September 3, 2021 at 2:16:33 AM UTC+2 tntm...@gmail.com wrote:

> Quite possibly! I've seen some that do 0-8!
>
> On Thu, Sep 2, 2021, 8:13 PM Paul Andrews  wrote:
>
>> I’m guessing channel indicators.
>>
>> On Sep 2, 2021, at 7:55 PM, Tom Harris  wrote:
>>
>> Sorry I see that they were base 12. Decimal hours? But clocks count hours 
>> from 1, not zero. 
>>
>> On Fri, 3 Sep 2021, 9:52 a.m. Tom Harris,  wrote:
>>
>>> What were these tubes used for? Base 11 is not used much. 
>>>
>>> On Fri, 3 Sep 2021, 12:00 a.m. Paul Andrews,  wrote:
>>>
 The GR-B can also display two digit numbers (1 thru 10) 
 https://www.nixies.us/bwg_gallery/grb/


 On Thursday, September 2, 2021 at 2:29:39 AM UTC-4 tntm...@gmail.com 
 wrote:

> I sent you an email
> On Thursday, September 2, 2021 at 1:59:40 AM UTC-4 LB wrote:
>
>> The Hivac XN-2 can display the numbers 0 through 11, and is to my 
>> knowledge the only tube that can display two-digit numbers (excluding 
>> pandicons). I have 3 I'd be willing to trade away, please PM me if you 
>> are 
>> interested. 
>> [image: XN-2_Digit_10_WA copy.JPG]
>> [image: XN-2_Digit_11_WA copy.JPG]
>>
>>
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 .

>>>
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>> 
>> .
>>
>>
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>> .
>>
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[neonixie-l] Re: Lc-516 info?

[Yohan Park]

 Which tube isn't? ;) 

On Thursday, August 26, 2021 at 12:31:14 PM UTC+2 Bill Notfaded wrote:

> These tubes are better than the IN-1 tubes for sure!
>
> Bill
> On Wednesday, August 25, 2021 at 9:11:06 PM UTC-7 gerritde...@gmail.com 
> wrote:
>
>> I am currently trying to figure out if the LC-516 is a long life tube, 
>> since the in-1 is not. I cannot fine a data sheet for it.
>
>

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[neonixie-l] Re: Curious about this seller's prices

[Yohan Park]

When you click on "xxx sold" on the listing page you get to see this:
https://www.ebay.com/bin/purchaseHistory?item=322820055634=nc&_trksid=p2047675.l2564
As you can see most tubes were sold to people making an offer. The last 
sold Buy It Now price is from February 5 and back then it was $17.97
So far no one has paid $29.97 for a tube


On Friday, May 21, 2021 at 1:52:34 AM UTC+2 Terry Bowman wrote:

> I'm puzzled by this seller's prices. The more desirable stuff has a rather 
> steep markup compared to other sellers with good feedback. For example, 
> here's his listing for a new IN-14:
>
> https://www.ebay.com/itm/322820055634
>
>
> It says 925 sold but of course the price may have been lower 900 BINs back.
>
> I snagged one in cherry condition during the HV PS crowdfunder a few 
> months ago. I checked eBay at the time and there were a number of good 
> deals in the $20 + shipping range. I realize that prices are steadily 
> rising but this strikes me as riding the crest of the wave. 
>
> Am I just out of the loop? Someone please do a reality check.
>
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> https://www.astarcloseup.com
>
> “...the book said something astonishing, a very big thought. The stars, it 
> said, were suns but very far away. The Sun was a star but close up.”—Carl 
> Sagan, "The Backbone Of Night", *Cosmos*, 1980
>
>
>

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Re: [neonixie-l] МТХ-90~MTH-90 Keypad from eBay - What is it and how do I hook it up?

[Yohan Park]

Yes, the ones I have also use an M22K (220K) resistor.
The tubes in mine aren't labeled at all but they're the more common MTH-90 
tube without a nipple on top and the unit has clear lenses.
They come without any screws to attach the top cover to the lower part of 
the case so it seems they're meant to be screwed on to something else.

On Sunday, April 18, 2021 at 2:11:34 AM UTC+2 Terry Bowman wrote:

> I did a quick search and these these things are for sale on Etsy and 
> various other merchant sites I've never heard of. Similar pricing but eBay 
> does give you something resembling a safety net.
>
> White plastic with red lenses seems to be the norm.
>
>
> On Apr 17, 2021, at 5:49 AM, Dekatron42  wrote:
>
> I had one of these many years ago and if I remember correctly now it is a 
> resistor of some 100k, or perhaps it was closer to 1Meg, as it just limits 
> the current flowing in the trigger circuit. You can google these and find 
> circuits like the ones below:
>
>
> I finally dug a meter out and checked the component marked "M22". Sure 
> enough it's a .22MΩ (220kΩ) resistor. It's connected directly to the 
> touch-sensitive "key" on the front.
>
>
> On Apr 17, 2021, at 3:21 PM, Yohan Park  wrote:
>
> Ah yes I've found them. They're less suitable to use as an indicator.
>
>
> The tubes in the ones I purchased are identical. There's no part number 
> and the only marking is "OTK 25". Apparently that means that quality 
> control inspector number 25 has approved the lamp as military spec. Feel 
> free to correct me if I'm wrong.
>
> I still can't figure out what they were used for. Functionally they're 
> just a box with five momentary sort-of isolated touch switches controlling 
> a 220V RMS mains load. Cheaper than using mechanical switches?
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> https://www.astarcloseup.com/
>
> “...the book said something astonishing, a very big thought. The stars, it 
> said, were suns but very far away. The Sun was a star but close up.”—Carl 
> Sagan, "The Backbone Of Night", *Cosmos*, 1980
>
>
>

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Re: [neonixie-l] МТХ-90~MTH-90 Keypad from eBay - What is it and how do I hook it up?

[Yohan Park]

There's something odd with the one in this listing: https://ebay.us/8EtaeL
Check the 5th picture (close up of the tubes from the top).
They don't look like MTH-90 since they seem to have a nipple on the top of 
the tube (the side facing the lenses).
Also, the bottom part (where the terminals are) is different from an MTH-90.
So this one seems to use a different type of thyratron but the question is, 
which one?

On Friday, April 16, 2021 at 8:48:38 PM UTC+2 Terry Bowman wrote:

>
> On Apr 16, 2021, at 1:36 PM, Keith Moore  wrote:
>
> Did you get any more information on these? 
>
>
> I'm all ears as well.
>
> This seller just put up three BIN listings. They appear to be identical 
> (you may have to scroll down the page):
>
> https://www.ebay.com/str/robotube?_trksid=p2047675.l2563
>
>
> I wish now that I'd bought some of the ones with yellowed plastic. The 
> light probably shines through unlike the white ones that are opaque.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> "If only you could see what I've seen with your eyes."—Roy Batty, *Blade 
> Runner*
>
>

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Re: [neonixie-l] IV26 VFD differences.

[Yohan Park]

Ah I see, IV-26 is much larger

On Tuesday, April 13, 2021 at 10:12:50 PM UTC+2 Dekatron42 wrote:

> You can find the IV-25 on Gstube too: http://www.gstube.com/data/1694/
>
> Their general datasheet page is here: http://www.gstube.com/data/
>
> /Martin
>
> On Tuesday, 13 April 2021 at 21:56:32 UTC+2 w...@kitsunegari.net wrote:
>
>> I can't find a datasheet for IV-26 so I don't know what the difference 
>> between the IV-25 and IV-26 is.
>> Does anyone know?
>> I have around 700 IV-25 tubes here and they all have non-clipped circular 
>> dots.
>>
>> On Friday, April 9, 2021 at 9:03:57 AM UTC+2 Dekatron42 wrote:
>>
>>> There are a few different types of these, type 1, 2 & 3 to my knowledge 
>>> (тип 1, тип 2 & тип 3). Check the text on the back if you can see what type 
>>> they are.
>>>
>>> Pages from some datasheets show two types of indicator elements, round 
>>> and oblong type,  http://www.gstube.com/data/4061/
>>>
>>> /Martin
>>>
>>> On Friday, 9 April 2021 at 01:54:16 UTC+2 martin martin wrote:
>>>

 Time for a binary clock eh?




 On Thu, Apr 8, 2021 at 16:21 Nicholas Stock  wrote:

> Anyone seen these before? I have some IV26 tubes from 1977 to 1981 
> that appear to have circular dots instead of the more usual clipped 
> circles 
> (of which I have enough). If anyone has some of the earlier type with the 
> circular dots and wants to do a swap, then I'm all ears... :)
>
> Cheers,
>
> Nick
> [image: IMG_2450.JPG]
>
> -- 
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>  
> 
> .
>
 -- 
 mcve...@gmail.com

>>>

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Re: [neonixie-l] IV26 VFD differences.

[Yohan Park]

I can't find a datasheet for IV-26 so I don't know what the difference 
between the IV-25 and IV-26 is.
Does anyone know?
I have around 700 IV-25 tubes here and they all have non-clipped circular 
dots.

On Friday, April 9, 2021 at 9:03:57 AM UTC+2 Dekatron42 wrote:

> There are a few different types of these, type 1, 2 & 3 to my knowledge 
> (тип 1, тип 2 & тип 3). Check the text on the back if you can see what type 
> they are.
>
> Pages from some datasheets show two types of indicator elements, round and 
> oblong type,  http://www.gstube.com/data/4061/
>
> /Martin
>
> On Friday, 9 April 2021 at 01:54:16 UTC+2 martin martin wrote:
>
>>
>> Time for a binary clock eh?
>>
>>
>>
>>
>> On Thu, Apr 8, 2021 at 16:21 Nicholas Stock  wrote:
>>
>>> Anyone seen these before? I have some IV26 tubes from 1977 to 1981 that 
>>> appear to have circular dots instead of the more usual clipped circles (of 
>>> which I have enough). If anyone has some of the earlier type with the 
>>> circular dots and wants to do a swap, then I'm all ears... :)
>>>
>>> Cheers,
>>>
>>> Nick
>>> [image: IMG_2450.JPG]
>>>
>>> -- 
>>> You received this message because you are subscribed to the Google 
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>>>  
>>> 
>>> .
>>>
>> -- 
>> mcve...@gmail.com
>>
>

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Re: [neonixie-l] Re: Now, here's a bargain

[Yohan Park]

Another bargain:
https://ebay.us/16xhAQ 
Check the previously sold batches by clicking on "6 sold"
The previous one sold for $799.99 and now seller has only 1 batch left and 
thought:
Hmmm, last one, let's just add another $1000 to that.
Crazy!

On Tuesday, April 6, 2021 at 12:20:55 AM UTC+2 nickja...@gmail.com wrote:

> A dead cat could sell for a lot in the right market.  I won't hold my 
> breath on this one though...
>
> On Mon, Apr 5, 2021 at 3:06 PM gregebert  wrote:
>
>> All those photos, and no sign it's been tested not to mention if it even 
>> works. I didn't see a guarantee, either.
>>
>> On Monday, April 5, 2021 at 12:57:12 PM UTC-7 MichaelB wrote:
>>
>>>
>>>
>>>
>>> https://www.ebay.com/itm/nixie-tube-NL7094-giant-round-long-life-NEON-READOUT-valve-NATIONAL-BEZEL-RARE/254522682842?hash=item3b42bbedda:g:CrkAAOSwPpJeVOHO
>>>
>> -- 
>>
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>> To unsubscribe from this group and stop receiving emails from it, send an 
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>>  
>> 
>> .
>>
>

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[neonixie-l] Re: МТХ-90~MTH-90 Keypad from eBay - What is it and how do I hook it up?

[Yohan Park]

Great timing :D
Just ordered 10 of these for $47 including shipping and all (seller agreed 
to put a low value on the package) after a bit of haggling.
Yours look cleaner but mine don't have the orange filters in front of the 
tubes which I prefer because you see the real neon orange.
I was wondering how to hook it up and what it was initially being used for 
too.
Funny how things can suddenly pop up after all these years. I guess they 
were seen as useless until someone discovered there was neon inside...
[image: case.jpg]

On Thursday, April 1, 2021 at 11:15:47 PM UTC+2 Terry Bowman wrote:

> Recently these interesting little gadgets turned up on eBay (the following 
> are all seller photos):
>
>
> I bought two of the above. After some haggling, shipping, and tax it added 
> up to just under $33. 
>
> It pays to look at all of the listings. The colors and numbers on the 
> panel vary, and some don't have the cool red lenses. And some prices have 
> already gone up. If you add them to your watchlist you may get an offer.
>
>
> Starting with the seller I purchased mine from:
>
>
> https://www.ebay.com/itm/MTX-90-MTX90-MTH-90-touch-keypad-Soviet-military-thyratron-neon-bulb-indicator/322631444720
>
>
> https://www.ebay.com/itm/Sensor-module-ion-relay-5x-MTH-90-MTX-90-Military-Thyratron-Neon-Nixie-tubes-NOS/113874476705
>
>
> https://www.ebay.com/itm/Vtg-Touch-Keypad-Soviet-Military-5x-MTX-90-MTH-90-Thyratron-Neon-Nixie-Tubes-NOS/303275411917
>
>
> https://www.ebay.com/itm/MTH-90-MTX-90-Thyratron-Touch-Keypad-URSS-Military-Neon-Bulb-Indicator/173881988719
>
>
> On to the fun part. It contains five MTH-90s. The metal "keys" don't move. 
> They're touch-sensitive. They appear to be connected to the gates on the 
> thyratrons through capacitors (see further down). Here are some interior 
> shots:
>
>
>
>
>
> The capacitors (or whatever) are about the size of the old 5% 1/4W carbon 
> film resistors I bought at Radio Shack in the '80s, perhaps a little longer 
> and thinner. There are two "dot and cosine wave" markings, one rotated 180°:
>
>
>
> Unpolarized capacitors?? They're also marked "М22" and "ИВ9" (IV9). I 
> couldn't find decent picture so you'll have to take my word for it.
>
> In the photos from another listing the only thing visible (thanks to 
> Photoshop) on three of them is this:
>
>
> It appears to be "8", "K" inside a "C" or semi-circle, and "O" or zero.
>
>
> OK gang, what were these things used for and how do I hook them up? I know 
> there's 220V AC involved somewhere. I already have the data-sheet for the 
> MTH-90s. I'm hoping that someone else has already figured out the rest for 
> me.  8D
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
> Q: Should car stereo speakers be pointed to the rear for more thrust or up 
> for more traction?
>
> A. On long trips, the 20- to 30% improvement in gas mileage you might get 
> with speakers pointing to the rear is certainly worthwhile. On the other 
> hand, if you drive on snow or ice, the extra traction of speakers pointing 
> upward gives you added control.
>
> Don Lancaster
>
>

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Re: [neonixie-l] Lighting all digits at the same time: Why does this happen?

[Yohan Park]

Prices will never go down.
I bought some cheap tubes from TaoBao years ago (the SZ3-1 I started this 
post with and I think I paid $0.50 or so) but Chinese tubes are now 
expensive as well.
Buy what you can buy now without looking at prices from 10 years ago.
What you have will only increase in value because there's going to be less 
available every passing year.
On Thursday, April 1, 2021 at 10:07:59 PM UTC+2 David Pye wrote:

> Please tell me there is a huge warehouse in China that will start selling 
> their stocks to bring the worldwide Nixie prices back down again!
>
> David
>
>
>
>
>
>
> On Thu, 1 Apr 2021, 17:59 严泽远,  wrote:
>
>> There're over 17 different versions of Chinese QS30-1 tubes (SZ1-1, 
>> SZ3-1, SZ-8 are all same with QS30-1 but different brands), just curious 
>> which one you tested.
>> Check the pictures here: https://www.nixieclock.org/?page_id=3162
>>
>> [image: qs30-1.jpg]
>>
>> 在2021年4月1日星期四 UTC+8 上午7:26:11 写道：
>>
>>> Surely you've effectively got 10 of those resistors in parallel so the 
>>> tube current is 10x rated
>>>
>>> Poor old anode
>>>
>>> David
>>>
>>> On Wed, 31 Mar 2021, 23:02 Jon,  wrote:
>>>
>>>> You're putting AC across the tube? In addition to what Paul said, think 
>>>> about the scenario in the negative half-cycles. There you've got ten 
>>>> 'anodes' (the display digits, normally cathodes) each with their own 
>>>> resistor pouring current through one 'cathode' (the normal anode 
>>>> box/grid), 
>>>> which is definitely not sized for that current flow nor designed to have 
>>>> the glow on it bombarding its surface with lots of energetic particles. So 
>>>> all bets are off on tube behaviour in my view.
>>>>
>>>> In either polarity of the cycle,  the common electrode might be seeing 
>>>> 22.5mA through it if your initial calculation holds. But very likely it 
>>>> doesn't, because that calculation assumes the normal tube maintaining 
>>>> voltage which I would have no confidence in being the case under these 
>>>> conditions. If the maintaining voltage drops significantly when the tube 
>>>> is 
>>>> run like this, then your current flow will be even more than you 
>>>> calculate. 
>>>> Maybe that's how you get to 9W.
>>>>
>>>> Ouch. Wouldn't bother putting that tube in a clock!
>>>>
>>>> Jon.
>>>>
>>>>
>>>> On Wednesday, March 31, 2021 at 10:34:06 PM UTC+1 Paul Andrews wrote:
>>>>
>>>>> You should calculate the anode resistor you need for one segment. Use 
>>>>> that, then connect all the cathodes to ground. I have done this many 
>>>>> times 
>>>>> accidentally.  Now the hand waving part: Imagine the connection between 
>>>>> the 
>>>>> anode and cathode is a resistor and you connect all of the cathodes 
>>>>> together - you are putting all of those resistors in parallel. You are 
>>>>> limiting the current on each one to 2.25mA, so you are pumping 22.5mA 
>>>>> through the one tube. I get that to be about 2W - (230-140)*0.0225.
>>>>>
>>>>> On Wednesday, March 31, 2021 at 4:11:49 PM UTC-4 gregebert wrote:
>>>>>
>>>>>> Very interesting; thanks for posting.
>>>>>>
>>>>>> You might want to try successive numbers of lit cathodes, say 01, 
>>>>>> then 012, then 0123, etc and see how the current increases, and also see 
>>>>>> if 
>>>>>> it changes over time due to heating.
>>>>>>
>>>>>> I dont recall seeing this behavior with segmented tubes, like the 
>>>>>> 7971. In fact, on my clock I have a current regulator on each cathode, 
>>>>>> and 
>>>>>> another one for the anode, for every tube.that works out to 128 
>>>>>> current 
>>>>>> regulators on that clock.
>>>>>>
>>>>>> On Wednesday, March 31, 2021 at 12:18:08 PM UTC-7 Bill van Dijk wrote:
>>>>>>
>>>>>>> Just a guess, but I think by lighting them all up you get some kind 
>>>>>>> of “super ionization” in the tube, which could then increase the 
>>>>>>> current 
>>>>>>> and heat dissipation.
>>>>>>>
>>>>>>>  
>>>>>&g

Re: [neonixie-l] Lighting all digits at the same time: Why does this happen?

[Yohan Park]

Oh that's a great website! Thanks for posting the link.
The tube I tested is the SZ3-1

On Thursday, April 1, 2021 at 6:59:36 PM UTC+2 严泽远 wrote:

> There're over 17 different versions of Chinese QS30-1 tubes (SZ1-1, SZ3-1, 
> SZ-8 are all same with QS30-1 but different brands), just curious which one 
> you tested.
> Check the pictures here: https://www.nixieclock.org/?page_id=3162
>
> [image: qs30-1.jpg]
>
> 在2021年4月1日星期四 UTC+8 上午7:26:11 写道：
>
>> Surely you've effectively got 10 of those resistors in parallel so the 
>> tube current is 10x rated
>>
>> Poor old anode
>>
>> David
>>
>> On Wed, 31 Mar 2021, 23:02 Jon,  wrote:
>>
>>> You're putting AC across the tube? In addition to what Paul said, think 
>>> about the scenario in the negative half-cycles. There you've got ten 
>>> 'anodes' (the display digits, normally cathodes) each with their own 
>>> resistor pouring current through one 'cathode' (the normal anode box/grid), 
>>> which is definitely not sized for that current flow nor designed to have 
>>> the glow on it bombarding its surface with lots of energetic particles. So 
>>> all bets are off on tube behaviour in my view.
>>>
>>> In either polarity of the cycle,  the common electrode might be seeing 
>>> 22.5mA through it if your initial calculation holds. But very likely it 
>>> doesn't, because that calculation assumes the normal tube maintaining 
>>> voltage which I would have no confidence in being the case under these 
>>> conditions. If the maintaining voltage drops significantly when the tube is 
>>> run like this, then your current flow will be even more than you calculate. 
>>> Maybe that's how you get to 9W.
>>>
>>> Ouch. Wouldn't bother putting that tube in a clock!
>>>
>>> Jon.
>>>
>>>
>>> On Wednesday, March 31, 2021 at 10:34:06 PM UTC+1 Paul Andrews wrote:
>>>
>>>> You should calculate the anode resistor you need for one segment. Use 
>>>> that, then connect all the cathodes to ground. I have done this many times 
>>>> accidentally.  Now the hand waving part: Imagine the connection between 
>>>> the 
>>>> anode and cathode is a resistor and you connect all of the cathodes 
>>>> together - you are putting all of those resistors in parallel. You are 
>>>> limiting the current on each one to 2.25mA, so you are pumping 22.5mA 
>>>> through the one tube. I get that to be about 2W - (230-140)*0.0225.
>>>>
>>>> On Wednesday, March 31, 2021 at 4:11:49 PM UTC-4 gregebert wrote:
>>>>
>>>>> Very interesting; thanks for posting.
>>>>>
>>>>> You might want to try successive numbers of lit cathodes, say 01, then 
>>>>> 012, then 0123, etc and see how the current increases, and also see if it 
>>>>> changes over time due to heating.
>>>>>
>>>>> I dont recall seeing this behavior with segmented tubes, like the 
>>>>> 7971. In fact, on my clock I have a current regulator on each cathode, 
>>>>> and 
>>>>> another one for the anode, for every tube.that works out to 128 
>>>>> current 
>>>>> regulators on that clock.
>>>>>
>>>>> On Wednesday, March 31, 2021 at 12:18:08 PM UTC-7 Bill van Dijk wrote:
>>>>>
>>>>>> Just a guess, but I think by lighting them all up you get some kind 
>>>>>> of “super ionization” in the tube, which could then increase the current 
>>>>>> and heat dissipation.
>>>>>>
>>>>>>  
>>>>>>
>>>>>> Bill
>>>>>>
>>>>>>  
>>>>>>
>>>>>> *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On 
>>>>>> Behalf Of *Yohan Park
>>>>>> *Sent:* Wednesday, March 31, 2021 3:15 PM
>>>>>> *To:* neonixie-l 
>>>>>> *Subject:* [neonixie-l] Lighting all digits at the same time: Why 
>>>>>> does this happen?
>>>>>>
>>>>>>  
>>>>>>
>>>>>> I have a few Chinese QS30-1 tubes lying around which don't have much 
>>>>>> value for me and was wondering how it would look to have all digits lit 
>>>>>> at 
>>>>>> the same time.
>>>>>> So I looked up the specs which say 170V and 2.25mA
>>>>>

[neonixie-l] Lighting all digits at the same time: Why does this happen?

[Yohan Park]

I have a few Chinese QS30-1 tubes lying around which don't have much value 
for me and was wondering how it would look to have all digits lit at the 
same time.
So I looked up the specs which say 170V and 2.25mA
So I calculated the needed resistor to have it hooked up to 230V which is a 
little below 27K
I then connected a 27K resistor to one cathode and it lit perfectly fine 
(230V AC so the anode also glows).
So I then connected 10x 27K resistors to all the cathodes and plugged it in.
Holy Moly! The thing lit up like crazy and was drawing over 9 Watts and was 
getting VERY hot. So I turned it off again after a few seconds.
Can anyone tell why it's behaving like that?

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[neonixie-l] Re: Colorful neons

[Yohan Park]

Thanks for posting but these are quite common and can be ordered fairly 
cheap on AliExpress.
https://www.aliexpress.com/item/4001202773443.html

On Saturday, March 27, 2021 at 6:30:57 PM UTC+1 Pramanicin wrote:

> I noted some blue and green neons being sold on the bay..
>
>
> https://www.ebay.com/itm/20X-4MM-13MM-F4-4-Blue-Night-Light-Neon-BL-Indicator-Lamp-Bulb-220V-20PCS-a-lot/313153340144?_trkparms=aid%3D1110006%26algo%3DHOMESPLICE.SIM%26ao%3D1%26asc%3D231410%26meid%3De1df92a6f5cf42ec9efd9c81d7f602f5%26pid%3D101195%26rk%3D3%26rkt%3D12%26mehot%3Dpf%26sd%3D313153375327%26itm%3D313153340144%26pmt%3D1%26noa%3D0%26pg%3D2047675%26algv%3DSimplAMLv5PairwiseWebWithBBEV2bDarwoXgbV1&_trksid=p2047675.c101195.m1851
>
> These have come up in discussion before and have been a little 
> unobtainablenot my listing etc. etc...just an FYI.
>
> Cheers,
>
> Nick
>

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[neonixie-l] Re: Nixie 7977

[Yohan Park]

Who sold you these tubes as 7977?
They're IN-1 tubes from Russia, not Burroughs 7977

On Tuesday, March 2, 2021 at 4:03:15 PM UTC+1 pierreyv...@gmail.com wrote:

> Hi,
>
> I'm new to the Nixie world and I'm trying to setup what's explained here:
> https://www.instructables.com/How-to-Control-a-Nixie-Tube-with-an-Arduino/
>
> I fail right at the begining, being unable to test the Nixies. I have 4 
> model 7977, it doesn't work with any. I have the 12vdc Power Supply, the 
> 12vdc to 180vdc converter, and I connect the anode to the ground.
>
> You can see my setup on the attached pict.
>
> Any help would be truly appreciated.
>
> Many thx!
>
> [image: IMG_4072.jpg] 
>

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Re: [neonixie-l] Re: How to drive an IN-28

[Yohan Park]

Thank you both for responding.
I clearly messed this one up :D :D
Yup, I was using the wrong pin! (hangs down head in shame)
AND I was trying to measure DC voltage straight from the bridge rectifier...
Now that I'm using the right one it's a whole different story...
It turns out it works perfectly fine on AC as well (albeit with visible 
50Hz flickering) so all it needs is that 1M resistor between the anode and 
grid and a resistor to limit current.
An advantage of this is you don't get the high DC voltage which requires a 
more beefy resistor (over 1W) to limit the current to 7.5 - 10.4mA
I've opted to go for 2x 0.5W 3.3K = 6.6K resistors in series. If my 
calculations are correct I'm then driving it at 8.3mA (230V AC mains, 175V 
anode voltage, 8.3mA cathode current)
Taking fluctuations into account this value should keep current within the 
7.5 and 10.4mA range anywhere between 225V and 244V AC mains.
Please correct me if I'm wrong.

On Sunday, March 21, 2021 at 5:23:40 PM UTC+1 Bill van Dijk wrote:

> I am not sure what a 2W10 rectifier is, but your numbers don’t add up. 
> 230V AC should translate in 324V DC. If you measure with a multimeter and 
> there is no smoothing capacitor after the rectifier you will measure 
> garbage.
>
>  
>
> Bill
>
>  
>
> *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On 
> Behalf Of *Yohan Park
> *Sent:* Sunday, March 21, 2021 11:15 AM
> *To:* neonixie-l 
> *Subject:* [neonixie-l] Re: How to drive an IN-28
>
>  
>
> Thanks so much Paul
> I still can't get it to work though.
> What I'm using now:
> 230V AC
> 2W10 rectifier giving me 210V DC
> 1M resistor between anode and grid
> 2x 8.2K resistors in parallel  = 4.1K + to anode
> Kathode to 0
> This should give me 175V and 8.5mA current
> Result, it briefly turns on for a split second and then only the getter on 
> the side keeps glowing very dim
> I tried with 2 different tubes
>
> On Sunday, March 21, 2021 at 4:08:00 AM UTC+1 Paul Andrews wrote:
>
> Connect a ~ 1M resistor from the anode to the grid. Use fully rectified 
> mains, which should give you the 340V (240*1.414). Feed that in to the 
> anode with your resistor, and tie cathode to 0V.
>
> On Saturday, March 20, 2021 at 10:29:59 AM UTC-4 w...@kitsunegari.net 
> wrote:
>
> I've just received a lot of IN-28 tubes.
> Now I'd like to drive these using only AC 230V mains but can't get it to 
> work the way I want.
> The tube has 3 connections: anode, cathode and screen.
>
> To get it to light up using the anode and cathode you need 340V so that's 
> not going to work. But using the screen and anode you only need 155-175V
> Connecting it to AC 230V mains using a 5.6K resistor works great and both 
> anode and screen light up.
>
> I need to use a diode since I only want the screen to light up, not the 
> anode.
> But when I use a diode I can only get the anode to light up. When I 
> reverse the diode nothing lights up. Any idea why not?
> I know it can be done since the IGD7-KR is made with an IN-28 tube.
> Check this listing on eBay: https://ebay.us/DEQ6IQ
> It's meant to be used in a lamp holder and the pictures clearly show the 
> screen (or kathode) glowing, not the cat-eye shaped anode. I was assuming 
> there's just a resistor in the lamp base. Can anyone help me out?
> Thanks in advance,
> John
>
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>
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> <https://groups.google.com/d/msgid/neonixie-l/fa6f1a75-1246-4959-8307-1e4df3d68c3cn%40googlegroups.com?utm_medium=email_source=footer>
> .
>

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[neonixie-l] Re: How to drive an IN-28

[Yohan Park]

Thanks so much Paul
I still can't get it to work though.
What I'm using now:
230V AC
2W10 rectifier giving me 210V DC
1M resistor between anode and grid
2x 8.2K resistors in parallel  = 4.1K + to anode
Kathode to 0
This should give me 175V and 8.5mA current
Result, it briefly turns on for a split second and then only the getter on 
the side keeps glowing very dim
I tried with 2 different tubes
On Sunday, March 21, 2021 at 4:08:00 AM UTC+1 Paul Andrews wrote:

> Connect a ~ 1M resistor from the anode to the grid. Use fully rectified 
> mains, which should give you the 340V (240*1.414). Feed that in to the 
> anode with your resistor, and tie cathode to 0V.
>
> On Saturday, March 20, 2021 at 10:29:59 AM UTC-4 w...@kitsunegari.net 
> wrote:
>
>> I've just received a lot of IN-28 tubes.
>> Now I'd like to drive these using only AC 230V mains but can't get it to 
>> work the way I want.
>> The tube has 3 connections: anode, cathode and screen.
>> To get it to light up using the anode and cathode you need 340V so that's 
>> not going to work. But using the screen and anode you only need 155-175V
>> Connecting it to AC 230V mains using a 5.6K resistor works great and both 
>> anode and screen light up.
>> I need to use a diode since I only want the screen to light up, not the 
>> anode.
>> But when I use a diode I can only get the anode to light up. When I 
>> reverse the diode nothing lights up. Any idea why not?
>> I know it can be done since the IGD7-KR is made with an IN-28 tube.
>> Check this listing on eBay: https://ebay.us/DEQ6IQ
>> It's meant to be used in a lamp holder and the pictures clearly show the 
>> screen (or kathode) glowing, not the cat-eye shaped anode. I was assuming 
>> there's just a resistor in the lamp base. Can anyone help me out?
>> Thanks in advance,
>> John
>>
>>

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[neonixie-l] How to drive an IN-28

[Yohan Park]

I've just received a lot of IN-28 tubes.
Now I'd like to drive these using only AC 230V mains but can't get it to 
work the way I want.
The tube has 3 connections: anode, cathode and screen.
To get it to light up using the anode and cathode you need 340V so that's 
not going to work. But using the screen and anode you only need 155-175V
Connecting it to AC 230V mains using a 5.6K resistor works great and both 
anode and screen light up.
I need to use a diode since I only want the screen to light up, not the 
anode.
But when I use a diode I can only get the anode to light up. When I reverse 
the diode nothing lights up. Any idea why not?
I know it can be done since the IGD7-KR is made with an IN-28 tube.
Check this listing on eBay: https://ebay.us/DEQ6IQ
It's meant to be used in a lamp holder and the pictures clearly show the 
screen (or kathode) glowing, not the cat-eye shaped anode. I was assuming 
there's just a resistor in the lamp base. Can anyone help me out?
Thanks in advance,
John

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Re: [neonixie-l] I hope they have 4000 IN12s..

[Yohan Park]

In the link, check the text beneath the picture of the IN-12 tubes:
*We have one of the largest stocks of nixie tubes that we collected in 
decades * 

On Monday, March 15, 2021 at 3:47:44 PM UTC+1 nickja...@gmail.com wrote:

> I saw that one too.  It looks pretty cool, but a bit pricey in my ever so 
> humble opinion.  Guess I need to check my stock on IN-12/15...
>
> On Sun, Mar 14, 2021 at 9:05 PM coggs  wrote:
>
>>
>> https://www.kickstarter.com/projects/retio/retio-the-moment-never-ends?ref=bkz22y_source=jellop=z2aimakj_term=007.ja_content=Retio-CL02_medium=facebook=IwAR0g9eDaWXUopGore-R8DspgTrbnSpygE6WPPCiRWt7HUcKpcaxGKnRbIvc_campaign=1615773409987.ytqi
>>
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>>  
>> 
>> .
>>
>

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[neonixie-l] Re: Assembled PCB Nixie Clock - Not from China

[Yohan Park]

Ian, may I ask why you've chosen to use LEDs for the colons with most of 
your clocks? I think neon looks so much better.

On Saturday, February 6, 2021 at 7:00:12 PM UTC+1 Ian Sparkes wrote:

> Ah, that parsitic glow. The Zirrfa boards don't do something important 
> that they should: The drivers on my board are clamped with a Zener, which 
> stops them from breaking down when there is no load on undriven digits. The 
> unclamped voltage can range between 90 and 120V and that's just plain too 
> much for the ULN drivers, so I added a clamp.
>
> I use a DS3231 RTC chip (original Maxim - the Atmel is original as well - 
> this was very important to me and cost a few pennies extra) and that is 
> usually good for 1 second a month. However, if you go for the WiFi version, 
> you get NTP synchronisation, as well as a nice GUI to configure the clock 
> with.
>
> My firmware is not at all locked down. It's FOSS and is there for all to 
> see / modify / and hopefully contribute to. ;)
>
> On Saturday, 6 February 2021 at 14:48:09 UTC+1 Robert G. Schaffrath wrote:
>
>> On Friday, February 5, 2021 at 6:26:36 AM UTC-5 Ian Sparkes wrote:
>>
>>> So, it started like this: I liked the Zirffa style Chinese boards - I 
>>> thought the hardware was pretty good, but the firmware was really 
>>> primitive. I was going to set about re-writing the firmware for these 
>>> boards, but them came up with the idea of simply taking the hardware 
>>> approach and using my existing firmware on it.
>>>
>>  
>> I have two Zirffa style boards. One for IN-12's and the other for 
>> IN-14's. I agree that while the hardware is pretty good (more details 
>> follow) the firmware is really primitive.
>>
>> The IN-12 hardware is wonky in that if a digit is blanked, or the whole 
>> clock is off in night mode, there is a parasitic glow from various 
>> elements. As such, I have to leave all digits powered at all times. Also, I 
>> find it will drift a second or two over a week.
>>
>> Meanwhile I have an IN-14 board that I use with Rodan Gr-111Pa tubes. I 
>> replaced the anode resistors with 18K to give the tubes the needed 2mA to 
>> drive them properly. That board firmware is also primitive but I am stunned 
>> at the accuracy of the clock chip. It runs for weeks and stays on the 
>> second. No idea why that board should be so accurate. When the clock turns 
>> itself off at 10 PM, there is no parasitic glow.
>>
>> It is a shame the firmware on those boards is locked down. The hardware 
>> had such potential.
>>  
>>
>

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[neonixie-l] Re: Assembled PCB Nixie Clock - Not from China

[Yohan Park]

Great prices Ian
I already responded to your comment on Tubeclock DB
I thought you might like to know that Malware Bytes Browser Guard is 
warning people your website may not be safe.

Website blocked due to a suspicious top level domain (TLD)
Website blocked: www.nixieclock.biz Malwarebytes Browser Guard blocked this 
page because it uses a suspicious top level domain (TLD)
These are frequently used by scam or phishing sites, but can be used by 
legitimate websites as well. If you trust this website, please click 
CONTINUE TO SITE. Otherwise, choose GO BACK.
On Friday, February 5, 2021 at 12:26:36 PM UTC+1 Ian Sparkes wrote:

> So, it started like this: I liked the Zirffa style Chinese boards - I 
> thought the hardware was pretty good, but the firmware was really 
> primitive. I was going to set about re-writing the firmware for these 
> boards, but them came up with the idea of simply taking the hardware 
> approach and using my existing firmware on it.
>
> I took "inspiration" from the many Chinese boards out there. I took the 
> time to go through quite a few prototype cycles and get the board worked 
> out. I took the time to learn how to work the PCBA factories, how to 
> specify the components, how to "productionize" the board design and so on.
>
> Now I am at the point that I have an assembled board available, which is 
> far, far better in terms of firmware (it's open source and fully featured), 
> has better hardware (e.g. proper clamping for the drivers, swappable tube 
> holders) and is comparable in price to the Chinese boards. The prices you 
> see on the site are "one off" prices.
>
> I'm calling it the MNC6 (Medium Nixie Clock 6-Digit) and you can have a 
> look at the web page here:
>
> https://www.nixieclock.biz/StoreMNC6.html
>
> It is intended for people who don't want to spend the day soldering 
> everything together, and instead want to have something up and running in 
> half an hour or so. And because it's not from China, you can have some 
> support for it!
>
> I'd be interested to hear your thoughts and feedback! 
>

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Re: [neonixie-l] Longines Nixie clock up for auction

[Yohan Park]

Thanks for the link Dalibor
Very interesting to read about it.

On Wednesday, January 27, 2021 at 9:28:56 AM UTC+1 Dalibor wrote:

> And it has a great story behind it - explaining the 10th of a second 
> position.. And it is quite rare - one of the few nixie clocks that were 
> designed in the nixie tube era..
>
> Nice post about it here:
> http://www.newdwf.com/viewtopic.php?f=60=4811#p37647
>
> On Tuesday, 26 January 2021 at 22:53:42 UTC+1 DaveE wrote:
>
>> Eye of beholder and all that, but here's someone's video - I think that's 
>> really nice, the tens of seconds only - gives it a stopwatch look. 
>> https://youtu.be/3XJZ0Nz_vks
>>
>> On Tue, 26 Jan 2021, 21:41 Yohan Park,  wrote:
>>
>>> Oh dear, that's a busy display then... :D
>>>
>>> On Tuesday, January 26, 2021 at 10:33:55 PM UTC+1 Pramanicin wrote:
>>>
>>>> 10ths of seconds.
>>>>
>>>> On Tue, Jan 26, 2021 at 1:26 PM Yohan Park  
>>>> wrote:
>>>>
>>>>> Can anyone tell me what the single digit next to the seconds display 
>>>>> is for?
>>>>>
>>>>> On Tuesday, January 26, 2021 at 4:22:26 PM UTC+1 Dekatron42 wrote:
>>>>>
>>>>>> The auction sold for roughly $3120 and had a starting price of 
>>>>>> roughly $1100.
>>>>>>
>>>>>> /Martin
>>>>>>
>>>>>> On Tuesday, 26 January 2021 at 10:33:36 UTC+1 DaveE wrote:
>>>>>>
>>>>>>> A chap on the facebook forum restored one of these a short while 
>>>>>>> ago. Beautiful clock.
>>>>>>>
>>>>>>> On Tue, Jan 26, 2021 at 9:28 AM Mike Harrison  
>>>>>>> wrote:
>>>>>>>
>>>>>>>> On Tue, 26 Jan 2021 01:11:13 -0800 (PST), you wrote:
>>>>>>>>
>>>>>>>> >Never seen this before.
>>>>>>>> >Longines Nixie clock 
>>>>>>>> ><
>>>>>>>> https://www.bukowskis.com/en/auctions/603/124-longines-electronic-nixie-tubes-clock-295-x-120-x-120-mm
>>>>>>>> >
>>>>>>>> >  
>>>>>>>> >
>>>>>>>> >[image: Longines.jpg]
>>>>>>>>
>>>>>>>> There was one of these in the London Science museum for many years
>>>>>>>>
>>>>>>>> -- 
>>>>>>>> You received this message because you are subscribed to the Google 
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>>>>>>>> .
>>>>>>>>
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>>>>>  
>>>>> <https://groups.google.com/d/msgid/neonixie-l/8b5d35f4-5641-45ef-b47a-47bbfcbe94d4n%40googlegroups.com?utm_medium=email_source=footer>
>>>>> .
>>>>>
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>>>  
>>> <https://groups.google.com/d/msgid/neonixie-l/46e2e5de-9fe7-4e39-839c-1a7b4d499a9an%40googlegroups.com?utm_medium=email_source=footer>
>>> .
>>>
>>

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Re: [neonixie-l] Longines Nixie clock up for auction

[Yohan Park]

Oh dear, that's a busy display then... :D

On Tuesday, January 26, 2021 at 10:33:55 PM UTC+1 Pramanicin wrote:

> 10ths of seconds.
>
> On Tue, Jan 26, 2021 at 1:26 PM Yohan Park  wrote:
>
>> Can anyone tell me what the single digit next to the seconds display is 
>> for?
>>
>> On Tuesday, January 26, 2021 at 4:22:26 PM UTC+1 Dekatron42 wrote:
>>
>>> The auction sold for roughly $3120 and had a starting price of roughly 
>>> $1100.
>>>
>>> /Martin
>>>
>>> On Tuesday, 26 January 2021 at 10:33:36 UTC+1 DaveE wrote:
>>>
>>>> A chap on the facebook forum restored one of these a short while ago. 
>>>> Beautiful clock.
>>>>
>>>> On Tue, Jan 26, 2021 at 9:28 AM Mike Harrison  
>>>> wrote:
>>>>
>>>>> On Tue, 26 Jan 2021 01:11:13 -0800 (PST), you wrote:
>>>>>
>>>>> >Never seen this before.
>>>>> >Longines Nixie clock 
>>>>> ><
>>>>> https://www.bukowskis.com/en/auctions/603/124-longines-electronic-nixie-tubes-clock-295-x-120-x-120-mm
>>>>> >
>>>>> >  
>>>>> >
>>>>> >[image: Longines.jpg]
>>>>>
>>>>> There was one of these in the London Science museum for many years
>>>>>
>>>>> -- 
>>>>> You received this message because you are subscribed to the Google 
>>>>> Groups "neonixie-l" group.
>>>>> To unsubscribe from this group and stop receiving emails from it, send 
>>>>> an email to neonixie-l+...@googlegroups.com.
>>>>> To view this discussion on the web, visit 
>>>>> https://groups.google.com/d/msgid/neonixie-l/l5ov0g5r74k4hkei07ufmvvhce2tbo0avq%404ax.com
>>>>> .
>>>>>
>>>> -- 
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>> .
>>
>

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Re: [neonixie-l] Longines Nixie clock up for auction

[Yohan Park]

Can anyone tell me what the single digit next to the seconds display is for?

On Tuesday, January 26, 2021 at 4:22:26 PM UTC+1 Dekatron42 wrote:

> The auction sold for roughly $3120 and had a starting price of roughly 
> $1100.
>
> /Martin
>
> On Tuesday, 26 January 2021 at 10:33:36 UTC+1 DaveE wrote:
>
>> A chap on the facebook forum restored one of these a short while ago. 
>> Beautiful clock.
>>
>> On Tue, Jan 26, 2021 at 9:28 AM Mike Harrison  
>> wrote:
>>
>>> On Tue, 26 Jan 2021 01:11:13 -0800 (PST), you wrote:
>>>
>>> >Never seen this before.
>>> >Longines Nixie clock 
>>> ><
>>> https://www.bukowskis.com/en/auctions/603/124-longines-electronic-nixie-tubes-clock-295-x-120-x-120-mm
>>> >
>>> >  
>>> >
>>> >[image: Longines.jpg]
>>>
>>> There was one of these in the London Science museum for many years
>>>
>>> -- 
>>> You received this message because you are subscribed to the Google 
>>> Groups "neonixie-l" group.
>>> To unsubscribe from this group and stop receiving emails from it, send 
>>> an email to neonixie-l+...@googlegroups.com.
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>>> https://groups.google.com/d/msgid/neonixie-l/l5ov0g5r74k4hkei07ufmvvhce2tbo0avq%404ax.com
>>> .
>>>
>>

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Re: [neonixie-l] Re: B7971's on the bay....

[Yohan Park]

If I had to spend $150 on a single tube I'd choose the R|Z568M from Dalibor.
Way more aesthetically pleasing than these B7971 tubes in my opinion.
On Monday, January 25, 2021 at 6:10:49 PM UTC+1 Paul Andrews wrote:

> That is a very nice clock. If only I had that kind of disposable income. I 
> probably would have if I didn't fritter it away on smaller things.
>
> On Sunday, April 5, 2020 at 1:37:20 PM UTC-4 Pramanicin wrote:
>
>>
>>
>> Antenna MOD:)
>>
>> Sent from my iPhone
>>
>> On Apr 5, 2020, at 10:16, Michail Wilson  wrote:
>>
>>  
>>
>> The first link shows a little poisoning on the underscore.
>>
>>  
>>
>> The second link is mine.  They went for $220 a tube.
>>
>> I only posted for those people that really really really need one. (Did 
>> expect a purchase of more than 1 at a time.)
>>
>>  
>>
>> I will post more, but again, only meant for people that don’t want to 
>> wait for a good/fair price.  In fact, I recommend people NOT buy from me 
>> and should wait as better deals always show up, but they have to fear the 
>> ‘untested’ ‘asis’ auctions.
>>
>>  
>>
>> Another note is that I provide a video of each tube working in a clock 
>> and do a segment test to prove each are perfectly working.  And, I write on 
>> the tube in video and seal each box with my version of a seal so they know 
>> what they see is what they get.  Example…
>>
>> “The following two videos are of your tubes.
>> First video shows testing of all six tubes and markings...
>> https://youtu.be/outZRHTZBao
>>
>> Second video shows packaging of the six tubes and my form of seal
>> https://youtu.be/kL83gfLtJro”
>>
>>  
>>
>>  
>>
>> Yes, I have a couple of clocks with the antenna tubes.  
>>
>>  
>>
>> Michail Wilson
>>
>> 206-920-6312 <(206)%20920-6312>
>>
>>  
>>
>> *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On 
>> Behalf Of *fax_awd
>> *Sent:* Sunday, April 5, 2020 8:57 AM
>> *To:* neonixie-l
>> *Subject:* [neonixie-l] Re: B7971's on the bay
>>
>>  
>>
>> another b7971 on ebay todayfirst day already over 180USD per tube...
>>
>>
>> https://www.ebay.com/itm/Two-Giant-15-segment-Burroughs-B-7971-Nixie-Tubes-with-sockets/303531498958?hash=item46abe31dce:g:n~0AAOSw7MNeh~rG
>>
>>
>> https://www.ebay.com/itm/Burroughs-B7971-B-7971-15-Segment-Alphanumeric-Nixie-Tube-TESTED-USA-Stock/123727599571?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649
>>
>> someone bought six recently too..i believe the price should be over 
>> USD200 per tube...
>>
>>  
>>
>> people gone crazy...
>>
>>
>> Pramanicin於 2019年11月22日星期五 UTC+8上午7時04分16秒寫道：
>>
>> For those still in the *hunt*...
>>
>>  
>>
>>
>> https://www.ebay.com/itm/Pair-Burroughs-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes-3-/352860696487?&_trksid=p2056016.l4276
>>
>>
>> https://www.ebay.com/itm/2-Burroughs-Ultronic-Systems-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes/174101582334?hash=item28894351fe:g:Q9UAAOSwzwBd1Oxw
>>
>>
>> https://www.ebay.com/itm/Pair-Burroughs-B-7971-Nixie-Alphanumeric-15-segment-Display-Tubes-3/352860696487?hash=item522822efa7:g:m3YAAOSwBi5d1PAw
>>
>>  
>>
>> As usual, not my listing etc.
>>
>>  
>>
>> Cheers,
>>
>>  
>>
>> Nick
>>
>> -- 
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>>  
>> 
>> .
>>
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>> https://groups.google.com/d/msgid/neonixie-l/DM6PR01MB43488048C4ED3C6ABB2F08CA82C50%40DM6PR01MB4348.prod.exchangelabs.com
>>  
>> 
>> .
>>
>>

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[neonixie-l] Re: Lighted switches.

[Yohan Park]

Phil, sorry I'm getting back at this but I think you're seriously 
overdriving these NE-2 bulbs.
Even the high brightness versions need a 33K resistor.
Regular NE-2 bulbs (which you most likely use as well) require around 150K
I'm running standard brightness bulbs in my wall switches on 230V and I'm 
using 330K
Always go as high as you can with resistor value.
I've been running standard bulbs on 220K and they became luke warm to 
touch. This reduces the lifetime of the bulb and can cause blackening of 
the glass.

On Saturday, January 16, 2021 at 1:52:34 AM UTC+1 philthepill wrote:

> I make my own lighted switches...
>
> I connect NE-2 lamps with a 20 K-ohm resistor at both ends of about 8 
> inches wire, drill a small hole in the switch face plate and push the end 
> of the lamp thru just a little  and hot melt glue it in place. If the face 
> plate is white, you can just glue the lamp to the backside of the faceplate 
> and it will shine thru. I wire the other ends of the resistors to the hot 
> and neutral terminals that go to the light.  When the light is off, 
> the neon lamp lights, and when the light is on, the neon is off.  You can 
> find all the light switches in my house at night just by looking for the 
> neon glow.  They have never needed replacing.  If you want to be super 
> safe, you can use 4 x K-ohm resistors,  two just next to the neon body and 
> the other two at the other end of the wires. I use heat shrink over the 
> resistor connections in both cases.   Very cheap and effective but not UL 
> or CSA approved.
>
> Pharma Phil 
>
> -- Original Message -- 
> From: Nick Andrews  
> Date: January 15, 2021 at 12:20 PM 
>
> Sweet! I've been thinking of looking for a lighted switch in the 'on' 
> position for the attic lights we installed to maybe remind us to turn them 
> off. Been up there a bit lately, running cable. More cameras, power, commo. 
> New NVR has 10 cameras, I think have added about a dozen new duplex 
> outlets, and so far 17 runs of cat5 through the house. More to come. 
>
> Yes, some thermostats had mercury bulbs in them, the bigger ones having 
> bigger bulbs. I grab those wherever I can find them, getting scarce now. 
> There were also contactors with a fairly significant amount in them, but 
> tricky to open for recovery. OLD ignitrons I think had a large amount in 
> them. Sure mercury can be toxic, but it kills me to see the ridiculously 
> idiotic overreactions to things like broken fluorescent bulbs in schools or 
> places. I know a guy who built a box device to try recovering the mercury 
> from old bulbs. It wasn't worth the hassle. A 4' flo bulb has what, about 
> 1/20 of a drop of mercury in it? I've broken hundreds of them, and 8' ones 
> too in my time. In high school we used them for lightsabers at the 
> university dump. 
>
> I use mercury in my carburetor sync gauge for my bike. I know they make 
> some now with a little tungsten rod in them which are safer, and maybe I'll 
> buy one some day. But for now, I'll hoard my little stash... 
>
> On Fri, Jan 15, 2021 at 9:15 AM martin martin < mcve...@gmail.com> wrote: 
>
> Greetings all, 
>
> These are no longer available in the US as of 40+ years ago. I found one 
> in a box and had to put it back in to service! 
> They were sold as "silent switches". Small tube of mercury to make the 
> contact and the toggle switch has a large NE-2 for a nice looking night 
> light. 
>
>  
> -- 
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> "neonixie-l" group. 
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>  
> .
>  
>
>
>  
> -- 
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>  
> .
>  
>
>
>
>  
>

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Re: [neonixie-l] Re: Nocrotec Blue Dream Nixie Transformer Nixtra-18.????

[Yohan Park]

Tim, we now have eBay and AliExpress where we can select even cheaper parts 
and not have to pay shipping...
Did Radio Shack ever offer you 100 resistors for $0.99?
But yes, I miss the physical stores too!
And most of all that means: I need a part, go to the store, and continue 
with what I'm working on.
Nowadays it's like: okay, I'll order this now so let's continue with this 
project 4 weeks from now (hopefully).
I'm happy to pay a multiple if it means I can just continue with what I'm 
working on. But the few local stores that are still left here never have 
what I'm looking for.
So it's usually like "we can order it if you wish"
E, no thanks. I think I can do that myself...

On Monday, January 18, 2021 at 4:59:53 PM UTC+1 Tim Goldsmith wrote:

> Can anyone recommend a direct replacement for the buzzer or the value of 
> one i need in the right size for the Blue Dream?
> I miss being able to go into a radio shack and select one of a cheap 
> electric part and not have to pay shipping! 
>
> I think soon thanks to you all we will be building soon!
>
> Thanks in advance. 
>
> Tim
>
> On Thursday, January 7, 2021 at 9:20:22 AM UTC-5 w...@kitsunegari.net 
> wrote:
>
>> Answered what?
>>
>> On Thursday, January 7, 2021 at 1:42:45 PM UTC+1 Nocrotec wrote:
>>
>>> Hi! 
>>> Answered. 
>>> Best regards 
>>> Dieter 
>>>
>>> Am 05.01.2021 um 22:53 schrieb Paul Andrews: 
>>> > I think that only Dieter can answer that. 
>>> > 
>>> > On Tuesday, January 5, 2021 at 4:24:56 PM UTC-5 Tim Goldsmith wrote: 
>>> > 
>>> > Hi 
>>> > 
>>> >  Recently unpacked my IN-18 Blue Dream Nixie Clock with the belly 
>>> > to assemble it (after 6 years) and noticed a few components are 
>>> > missing. Dieter nicely told me they were way past that project.. 
>>> > 
>>> >  Most of what is missing I think I can source (column (colun) 
>>> > tubes, buzzer, leds)  but I need information on part: 
>>> > 
>>> > TR-1 Nixie Transformer, type Nixtra-18. 
>>> > 
>>> >  In googling Nixie Transformers, none of the results look like the 
>>> > gold square with the red dot. Is this similar to the photo on page 2 
>>> > of the instructions. 
>>> > 
>>> > 
>>> http://www.clausurbach.de/nixieclocks/english/downloads/AI_BD_English.pdf 
>>> > 
>>> > What can I use without much modification? 
>>> > 
>>> > Am I looking for something that functions like NCH6100HV ?? 
>>> >  At least I got all the nixies! 
>>> > 
>>> > Any help is appreciated! 
>>> > Thanks 
>>> > Tim 
>>> > 
>>> > -- 
>>> > You received this message because you are subscribed to the Google 
>>> > Groups "neonixie-l" group. 
>>> > To unsubscribe from this group and stop receiving emails from it, send 
>>> > an email to neonixie-l+...@googlegroups.com 
>>> > . 
>>> > To view this discussion on the web, visit 
>>> > 
>>> https://groups.google.com/d/msgid/neonixie-l/72629da5-896e-42c2-a1fe-caa34c5e48fdn%40googlegroups.com
>>>  
>>> > <
>>> https://groups.google.com/d/msgid/neonixie-l/72629da5-896e-42c2-a1fe-caa34c5e48fdn%40googlegroups.com?utm_medium=email_source=footer>.
>>>  
>>>
>>>
>>

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Re: [neonixie-l] Re: Neon flickering flame bulb in overdrive

[Yohan Park]

Thanks all
Received a personal email saying the electrodes are coated with a substance 
meant to make these flicker so it could be difficult to make them glow 
steady.
Too bad :(
On Sunday, January 17, 2021 at 2:33:27 PM UTC+1 Bill van Dijk wrote:

> There are a number of on-line calculators to determine capacitor 
> reactance, for example:
>
> http://www.sengpielaudio.com/calculator-RC.htm
>
> Also, if you do use a capacitor make sure you use a class “Y” capacitor; 
> they are designed for use in an AC line. Anything else is a danger and / or 
> fire hazard!
>
>  
>
> Bill
>
>  
>
> *From:* neoni...@googlegroups.com [mailto:neoni...@googlegroups.com] *On 
> Behalf Of *gregebert
> *Sent:* Saturday, January 16, 2021 10:44 PM
> *To:* neonixie-l 
> *Subject:* [neonixie-l] Re: Neon flickering flame bulb in overdrive
>
>  
>
> At 60 Hz, a 0.27uF capacitor has 10K ohms of impedance. You would need to 
> use a non-polarized cap that can handle the ripple current, something under 
> 12mA.
>
> I cant vouch for how well that will work; it's a non-linear circuit so the 
> capacitor is not exposed to a steady sinusoidal waveform, so it's effective 
> impedance is probably much different.
>
> If I have some extra time, I'll run a SPICE simulation.
>
> On Saturday, January 16, 2021 at 6:41:38 PM UTC-8 w...@kitsunegari.net 
> wrote:
>
> We all know the flickering flame candle bulb (if you don't, what are you 
> doing here?)
> I was wondering if there's a way to get this to glow stable.
> So I removed the base and found a 30K 1/4W resistor in there (230V model)
> I replaced this with a 10K 1W model to see what would happen.
> Well, things happened...
> It was glowing way more intense but still flickering and after 5 minutes 
> or so I noticed the rich bouquet of brûlante resistance (the resistor was 
> melting and you know the smell...)
> So I contacted a certain YouTuber for advice and he told me perhaps it 
> would be possible but I need to use a combination of a resistor and a 
> capacitor (with discharge resistor across it) to get higher current with 
> less heat a combination.
>
> All good advise (I guess) but I have no idea about capacitor values 
> etcetera.
> Can anyone help me in the direction to solve this?
> Thanks in advance
>
> -- 
>
> You received this message because you are subscribed to the Google Groups 
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>  
> 
> .
>

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Re: [neonixie-l] Re: Cheapest 6-digit edge lit clock so far

[Yohan Park]

Mine will be delivered in the next few days.
Anyone else order it?

On Thursday, December 31, 2020 at 1:06:49 AM UTC+1 Yohan Park wrote:

> Thanks for posting the link to the manual
>
> On Wednesday, December 30, 2020 at 8:11:46 PM UTC+1 dixter wrote:
>
>> incase you can't see the manual...  Banggood list it too but couldn't 
>> find the manual there...  
>> the link for download
>> https://drive.google.com/file/d/1Usx9toq8RxTBTbHdNiELmnl6TB7ykVim/view
>>
>

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[neonixie-l] Re: Another of my "antique" SP-352 clocks

[Yohan Park]

http://www.decadecounter.com/vta/pdf/gc1092d_schematic.pdf

On Sunday, January 17, 2021 at 11:35:14 PM UTC+1 N9KTW wrote:

> Well I found another clock to work on, using SP352 displays It is 
> marked DIGITAL CONCEPTS CORP, EC102 electronic calendar clock.
>
> It uses 3 SP352's for a 6 digit display. A MOSTEK 5017BA chip to run 
> things. 
>
> The display doesnt light up, at all. In attempting to check voltages, I 
> cannot find any above about 125 (this seems VERY low for the panaplex 
> displays) I have been told that this is similar to a HEATHKIT GC1092d. 
>
> Anyone got any ideas, maybe a schematic for this guy?
>
> T I A 
>
> de Howard, N9KTW
>

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[neonixie-l] Re: This is a long shot....I need 8 x Dolam LL-555

[Yohan Park]

Oh by the way.
You will need three 555 tubes and one 557 just to spell your first name.
Your last name starts with a B so that's a 555 but no idea what other 
letters you need.
But you'll probably need 556 and/or 557 for that as well.
On Sunday, January 17, 2021 at 10:20:34 PM UTC+1 Yohan Park wrote:

> Oh nevermind
> I just translated the page and they're out of stock :(
>
> On Sunday, January 17, 2021 at 10:16:39 PM UTC+1 Yohan Park wrote:
>
>> Try if this company in Poland replies to an email in English.
>> Or perhaps try and find someone from Poland here in the group.
>> https://archiwum.allegro.pl/oferta/lampa-nixie-ll-555-nos-i7175269093.html
>>
>> On Sunday, January 17, 2021 at 8:02:30 PM UTC+1 Ryan B wrote:
>>
>>> Hi everyone,
>>>
>>> I know someone asked this recently, but I don't know what the outcome 
>>> was.
>>>
>>> I'm looking for eight (even seven) working LL-555 tubes. I'm trying to 
>>> build a display that spells out my name.
>>>
>>> Any help would be appreciated!
>>>
>>> Ryan
>>>
>>

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[neonixie-l] Re: This is a long shot....I need 8 x Dolam LL-555

[Yohan Park]

Oh nevermind
I just translated the page and they're out of stock :(

On Sunday, January 17, 2021 at 10:16:39 PM UTC+1 Yohan Park wrote:

> Try if this company in Poland replies to an email in English.
> Or perhaps try and find someone from Poland here in the group.
> https://archiwum.allegro.pl/oferta/lampa-nixie-ll-555-nos-i7175269093.html
>
> On Sunday, January 17, 2021 at 8:02:30 PM UTC+1 Ryan B wrote:
>
>> Hi everyone,
>>
>> I know someone asked this recently, but I don't know what the outcome was.
>>
>> I'm looking for eight (even seven) working LL-555 tubes. I'm trying to 
>> build a display that spells out my name.
>>
>> Any help would be appreciated!
>>
>> Ryan
>>
>

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[neonixie-l] Re: This is a long shot....I need 8 x Dolam LL-555

[Yohan Park]

Try if this company in Poland replies to an email in English.
Or perhaps try and find someone from Poland here in the group.
https://archiwum.allegro.pl/oferta/lampa-nixie-ll-555-nos-i7175269093.html

On Sunday, January 17, 2021 at 8:02:30 PM UTC+1 Ryan B wrote:

> Hi everyone,
>
> I know someone asked this recently, but I don't know what the outcome was.
>
> I'm looking for eight (even seven) working LL-555 tubes. I'm trying to 
> build a display that spells out my name.
>
> Any help would be appreciated!
>
> Ryan
>

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[neonixie-l] Neon flickering flame bulb in overdrive

[Yohan Park]

We all know the flickering flame candle bulb (if you don't, what are you 
doing here?)
I was wondering if there's a way to get this to glow stable.
So I removed the base and found a 30K 1/4W resistor in there (230V model)
I replaced this with a 10K 1W model to see what would happen.
Well, things happened...
It was glowing way more intense but still flickering and after 5 minutes or 
so I noticed the rich bouquet of brûlante resistance (the resistor was 
melting and you know the smell...)
So I contacted a certain YouTuber for advice and he told me perhaps it 
would be possible but I need to use a combination of a resistor and a 
capacitor (with discharge resistor across it) to get higher current with 
less heat a combination.
All good advise (I guess) but I have no idea about capacitor values 
etcetera.
Can anyone help me in the direction to solve this?
Thanks in advance

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[neonixie-l] Re: Lighted switches.

[Yohan Park]

The live and neutral terminals that go to the light?
There is no neutral in a switch, there's only a live wire and a switch wire.
If you're connecting the neon to these wires you're using the switch wire 
that goes to the lamp as your neutral.
That also explains why the neon turns off as soon as you turn on the light.

On Saturday, January 16, 2021 at 1:52:34 AM UTC+1 philthepill wrote:

> I make my own lighted switches...
>
> I connect NE-2 lamps with a 20 K-ohm resistor at both ends of about 8 
> inches wire, drill a small hole in the switch face plate and push the end 
> of the lamp thru just a little  and hot melt glue it in place. If the face 
> plate is white, you can just glue the lamp to the backside of the faceplate 
> and it will shine thru. I wire the other ends of the resistors to the hot 
> and neutral terminals that go to the light.  When the light is off, 
> the neon lamp lights, and when the light is on, the neon is off.  You can 
> find all the light switches in my house at night just by looking for the 
> neon glow.  They have never needed replacing.  If you want to be super 
> safe, you can use 4 x K-ohm resistors,  two just next to the neon body and 
> the other two at the other end of the wires. I use heat shrink over the 
> resistor connections in both cases.   Very cheap and effective but not UL 
> or CSA approved.
>
> Pharma Phil 
>
> -- Original Message -- 
> From: Nick Andrews  
> Date: January 15, 2021 at 12:20 PM 
>
> Sweet! I've been thinking of looking for a lighted switch in the 'on' 
> position for the attic lights we installed to maybe remind us to turn them 
> off. Been up there a bit lately, running cable. More cameras, power, commo. 
> New NVR has 10 cameras, I think have added about a dozen new duplex 
> outlets, and so far 17 runs of cat5 through the house. More to come. 
>
> Yes, some thermostats had mercury bulbs in them, the bigger ones having 
> bigger bulbs. I grab those wherever I can find them, getting scarce now. 
> There were also contactors with a fairly significant amount in them, but 
> tricky to open for recovery. OLD ignitrons I think had a large amount in 
> them. Sure mercury can be toxic, but it kills me to see the ridiculously 
> idiotic overreactions to things like broken fluorescent bulbs in schools or 
> places. I know a guy who built a box device to try recovering the mercury 
> from old bulbs. It wasn't worth the hassle. A 4' flo bulb has what, about 
> 1/20 of a drop of mercury in it? I've broken hundreds of them, and 8' ones 
> too in my time. In high school we used them for lightsabers at the 
> university dump. 
>
> I use mercury in my carburetor sync gauge for my bike. I know they make 
> some now with a little tungsten rod in them which are safer, and maybe I'll 
> buy one some day. But for now, I'll hoard my little stash... 
>
> On Fri, Jan 15, 2021 at 9:15 AM martin martin < mcve...@gmail.com> wrote: 
>
> Greetings all, 
>
> These are no longer available in the US as of 40+ years ago. I found one 
> in a box and had to put it back in to service! 
> They were sold as "silent switches". Small tube of mercury to make the 
> contact and the toggle switch has a large NE-2 for a nice looking night 
> light. 
>
>  
> -- 
> You received this message because you are subscribed to the Google Groups 
> "neonixie-l" group. 
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>  
> .
>  
>
>
>  
> -- 
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>  
> .
>  
>
>
>
>  
>

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[neonixie-l] Re: M5Stack - Amazing cheap unit

[Yohan Park]

Thanks for letting us know AFTER the price has doubled... ;)

On Thursday, January 14, 2021 at 8:10:48 PM UTC+1 M1 wrote:

> Not sure if anyone bought them (Core2 units).  I bought and paid for and 
> received 126 units over a span of 10 orders.
>
> Amazon/Seller finally figured it out and the price went from $26 to $55. 
>
>  
>
> Hope a few of you got some.
>
>  
>
> Michail 
>
>  
>
> *From:* neoni...@googlegroups.com  *On Behalf 
> Of *Michail Wilson
> *Sent:* Wednesday, December 16, 2020 2:33 PM
> *To:* neoni...@googlegroups.com
> *Subject:* [neonixie-l] M5Stack - Amazing cheap unit
>
>  
>
> Not sure if anyone does any testing with ESP32; however, I have done a lot 
> with the M5Stack.  Very nice unit with enclosure and 2” LCD, 3 buttons, 
> wifi, etc.  I have purchased and used and sold over 100 units.
>
>  
>
> They constantly go on back order, etc, so you can be notified via eMail 
> when they become available.   They are sold directly from M5 for $28 + 
> shipping.  Amazon/eBay sells for $43.  Digikey is $28 + import + shipping.
>
>  
>
> Now the reason for my post….
>
>  
>
> M5 has the new version…. M5Stack Core2. That is $39.99 from M5 stack, 
> but about $55 on ebay or amazon if available.   More features like 
> Bluetooth, touch screen, motor, etc.
>
>  
>
> Amazon strangely had them listed at $26 shipped.   WTF.
>
> So, I purchased several knowing I could return if clones or wrong item.   
> It turns out they are original, so, I bought more, and more, and more, and 
> more.   Over the last couple of weeks, they post about 5, sell, and then 
> add more to inventory.   Now that I have over 40 which I don’t have a use 
> for (yet), I thought I would make it public.
>
>  
>
> I bought the last 7 again yesterday which were just delivered.  So, they 
> should be available again in a few days.
>
>  
>
> https://www.amazon.com/dp/B07RTKTJZB/#ace-7448806443
>
>  
>
>  
>
> Michail Wilson
>
> 206-920-6312 <(206)%20920-6312>
>
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>  
> 
> .
>

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Re: [neonixie-l] Cleaning old circuit boards and components without destroying them - what to use?

[Yohan Park]

I usually start with lukewarm water and dish wash.
I don't see the need for distilled water here. Why? Regular water won't 
harm any plastics, bakelite or circuits...
If soapy, lukewarm water still leaves unwanted coloring (tar from 
cigarettes is very common) I use IPA.
If that fails too I, very carefully, try using something like naphtha. 
Acetone is a last resort but beware: using it on any kind of plastic may 
result in unrecoverable damage.

On Saturday, January 16, 2021 at 1:42:16 AM UTC+1 Kevin A. wrote:

> I would use distilled water to begin with. I always solder with water 
> soluble flux so the distilled water makes your boards squeaky clean after 
> soldering too.
>
> If you need more cleaning power I would use regular isopropyl alcohol. 
>
> I only use kimwipes for all of my rework as they are absorbent and very 
> low lint. 
>
> On Fri, Jan 15, 2021, 6:49 PM Dekatron42  wrote:
>
>> I just acquired a Xerox 3600 Photocopier counter, the semiconductor 
>> version of the older Trochotron based 2400 unit - it has similiar/identical 
>> function when counting copies made.
>>
>> Now, this unit looks like it has been sitting in a car shop or an old 
>> attic/barn for many years. I did clean out a lot of spiderwebs, egg sacks 
>> from spiders and a few flowers and sticks.
>>
>> Some of the TO18- & TO99-cased semiconductors have started to get small 
>> green blobs on them, probably from copper corroding, and some have started 
>> to rust due to their iron casing (2N3054s). There is also a lot of dust and 
>> what looks like some thin oil over a lot of the components and circuit 
>> boards.
>>
>> I'll check all of the components for function and replace as few as 
>> possible to keep it as original as I can. Some of the Mullard Tropical Fish 
>> capacitors have broken and the legs have come off, one transistor has had 
>> one of its legs cut off for some reason. Last week I got a bag of these 
>> Mullard capacitors when I bought older components for another restoration 
>> project so now they too will come to use.
>>
>> Now, I've never had to do more than some dusting on other old equipments 
>> that I've bought so now I need help from "experts" on what cleaning liquids 
>> to use to spare the components and circuit boards.
>>
>> /Martin
>>
>> [image: 2.jpg]
>>
>> [image: IMG_0485.JPG]
>>
>
>>
>>
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>>  
>> 
>> .
>>
>

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[neonixie-l] Re: INS-1 neons

[Yohan Park]

You can still get INS-1 for that price.
Never had problems with IN-3 though. May I ask how you drive them?


On Friday, January 15, 2021 at 3:19:21 PM UTC+1 Robert G. Schaffrath wrote:

> I was able to buy a box of 100 for $15.99 back in 2019. I noticed that the 
> glass color tended to vary from almost clear to dark. in the lot I tested a 
> few for a period of time and found, oddly enough, the dark colored glass 
> ones seemed to fare better. I only tested about 10 bulbs in total but that 
> was a casual observation. I find IN-3's to be much flakier. Sometimes they 
> display to the rear. Sometimes the leads below glow.
>
> On Wednesday, January 13, 2021 at 4:18:03 PM UTC-5 Pramanicin wrote:
>
>> Anyone had any issues with INS-1 neons showing moving ionization in the 
>> bulb (similar to the same problems you can sometimes see with INS-3 neons)? 
>> If so, any pointers on how to mitigate this behaviour?
>>
>> Cheers,
>>
>> Nick
>>
>

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

[Yohan Park]

Around 2 months ago I was about to go home from work and noticed a dumpster 
behind the school (where I work).
Turned out they were clearing out the old studio and engineering room and 
they had tossed 6 Sony BVM monitors in the dumpster.
I immediately ran to one of my co-workers who makes arcade cabinets and we 
saved them all. Unfortunately some of them had quite some damage because 
they were just thrown on top of each other but luckily they were all still 
working.
Boy was I angry at the guy who decided to throw them away.

On Tuesday, January 12, 2021 at 9:50:44 AM UTC+1 Alex wrote:

> Crt monitors are getting very collectable, especially Sony Trinitrons. I 
> used to pick pvm monitors up for free from a recycling place and made a 
> wall of them at the back of my workshop. Cleared most of them on eBay last 
> few years, most for over 200gbp each... Even good Trinitron pc monitors are 
> getting good 3 figures now. It's mainly the retro gaming community, SNES 
> and megadrives just don't work well on LCD / digitising monitors due to 
> their habit of skipping every other scanline for processing, plus the lag 
> is noticeable...
> The high end bvm crt monitors are always over 1k now! 
>
>
>
>
> On Tuesday, 12 January 2021 at 04:13:05 UTC Terry Bowman wrote:
>
>>
>> On Jan 11, 2021, at 10:14 PM, J Forbes  wrote:
>>
>> Of course I dohopefully for only a short time. I have 4 of them, plus 
>> 3 monitors. All in the garage waiting for the big moving sale.
>>
>>
>> I'll take any monitors 19" or bigger as long as the shipping is free.  8D
>>
>> My 19" Trinitron isn't going anywhere. I need it for legacy machines. 
>>  lt's too heavy to lift right at the moment, anyway. I strained my shoulder 
>> manhandling a 14" earlier today.  8/
>>
>> It's not the years, it's the mileage. I keep telling myself.  o_O
>>
>>
>> Terry Bowman, KA4HJH
>> "The Mac Doctor”
>>
>> "Never install version point-zero of anything"
>>
>>

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

[Yohan Park]

Ha ha ha, great story :)
Well, it's al about how we take today's technology for granted and don't 
care if it breaks isn't it?
I have a couple of "out of date" phones lying around and wouldn't feel bad 
if I blew them up some way. Just for fun.
But 30 years from now people probably will look at it and scream "nooo, 
how could that guy be setting fire to an iPhone 5?!!!"
It's just how it works.
But if you're smart, have patience. Nearly every piece of tech will be 
worth more than it is today 15 years from now...
(ignore that last sentence if you're 90+ years old)

On Friday, January 8, 2021 at 1:19:08 AM UTC+1 gregebert wrote:

> After watching that video, I feel more guilt about how I loved to throw 
> them into the local storm drain just so we could hear the BOOM !  The 
> addiction got so bad that I would sometimes ride my bike to the local TV 
> repair show, grab a tube from the dumpster, and ride home no-hands (yes, 
> can you believe how stupid someone can be to ride a bike carrying a glass 
> picture tube...) just so I could break it.
>
> We did a not-so-nice dissection of a 21FJP22 tube in the mid 1970s. It 
> started out by breaking the neck with a CB antenna. We covered the neck 
> with a small rag to reduce glass-shatter, but the* rag got sucked into 
> the tube* from the vacuum! Since we could not get the rag out, we 
> tossed some bits of paper, twigs, and squirted-in some charcoal lighter and 
> proceeded to burn-out the rag. Surprisingly, the small fire was barely 
> visible from the front of the TV. Fearing his parents might smell the 
> smoke, we got the garden hose and put out the fire. When the father came 
> out to ask if we found out what we wrong with the TV, we said it has leaked 
> water inside from condensation. You have to understand that his father 
> taught English, not science, so he accepted that explanation. OK, so what 
> do you do with a half-broken TV tube ? We broke-away most of the thinner 
> glass (the funnel-shaped structure from the film), but once we got to the 
> face, the glass got very thick. So, that was taken out to the front yard 
> and chopped into bits with an axe. Nice to know the front was safety glass, 
> but that made the job more difficult. We had fun tearing-away the 
> shadow-mask with pliers. It literally tore away like cloth.
>
> Thanks for posting the video; it really makes you appreciate what went 
> into those tubes.
>
> On Thursday, January 7, 2021 at 2:40:59 PM UTC-8 orange_glow_fan 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 
>>>
>>> -- 
>>> You received this message because you are subscribed to the Google 
>>> Groups "neonixie-l" group.
>>> To unsubscribe from this group and stop receiving emails from it, send 
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>>> https://groups.google.com/d/msgid/neonixie-l/a1e53271-e44a-437a-ab0f-d6f58c0a7b64n%40googlegroups.com
>>>  
>>> <https://groups.google.com/d/msgid/neonixie-l/a1e53271-e44a-437a-ab0f-d6f58c0a7b64n%40googlegroups.com?utm_medium=email_source=footer>
>>> .
>>>
>>

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[neonixie-l] Getters: where are they?

[Yohan Park]

After watching the latest Fran Blanche video on YouTube
https://www.youtube.com/watch?v=ybh1I8GIHmU
I started thinking about this subject.
Some Nixie tubes clearly have a getter while many don't (or at least not 
visible).
What's up with this? Do lots of Nixie tubes have "hidden" getters inside?
Dalibor is obviously using getters in his tubes (he even dedicated a few 
videos on the matter) but I've been inspecting different tubes and often 
don't see anything that resembles a getter.

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

[Yohan Park]

 Yes you're right.
At the end of the documentary at 19:15 you can see a man testing a TV with 
a round tube. 

On Thursday, January 7, 2021 at 10:19:16 PM UTC+1 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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>  
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> .
>

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

[Yohan Park]

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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Re: [neonixie-l] Re: Nocrotec Blue Dream Nixie Transformer Nixtra-18.????

[Yohan Park]

Answered what?

On Thursday, January 7, 2021 at 1:42:45 PM UTC+1 Nocrotec wrote:

> Hi!
> Answered.
> Best regards
> Dieter
>
> Am 05.01.2021 um 22:53 schrieb Paul Andrews:
> > I think that only Dieter can answer that.
> > 
> > On Tuesday, January 5, 2021 at 4:24:56 PM UTC-5 Tim Goldsmith wrote:
> > 
> > Hi
> > 
> >  Recently unpacked my IN-18 Blue Dream Nixie Clock with the belly
> > to assemble it (after 6 years) and noticed a few components are
> > missing. Dieter nicely told me they were way past that project..
> > 
> >  Most of what is missing I think I can source (column (colun)
> > tubes, buzzer, leds)  but I need information on part:
> > 
> > TR-1 Nixie Transformer, type Nixtra-18.
> > 
> >  In googling Nixie Transformers, none of the results look like the
> > gold square with the red dot. Is this similar to the photo on page 2
> > of the instructions.
> > 
> > 
> http://www.clausurbach.de/nixieclocks/english/downloads/AI_BD_English.pdf
> > 
> > What can I use without much modification?
> > 
> > Am I looking for something that functions like NCH6100HV ??
> >  At least I got all the nixies!
> > 
> > Any help is appreciated!
> > Thanks
> > Tim
> > 
> > -- 
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> > an email to neonixie-l+...@googlegroups.com 
> > .
> > To view this discussion on the web, visit 
> > 
> https://groups.google.com/d/msgid/neonixie-l/72629da5-896e-42c2-a1fe-caa34c5e48fdn%40googlegroups.com
>  
> > <
> https://groups.google.com/d/msgid/neonixie-l/72629da5-896e-42c2-a1fe-caa34c5e48fdn%40googlegroups.com?utm_medium=email_source=footer
> >.
>

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Re: [neonixie-l] Removing lettering from Russian TH4B tubes

[Yohan Park]

Every job comes with its benefits.
I wish I had more jobs ;)
Nice to know you're into chemistry. Always nice to know which people are 
into what.

On Thursday, January 7, 2021 at 2:18:10 AM UTC+1 Pramanicin wrote:

> Excellent!
>
> I'm blessed with access to solvents as I'm a chemist by trade :)
>
> On Wed, Jan 6, 2021 at 5:16 PM Yohan Park  wrote:
>
>> IPA (which I was referring to as alcohol): nope
>> Dichloromethane: I've got quite a bunch of chemicals lying around but 
>> unfortunately not that
>> Paint thinner: Yes! I let it sit in a test tube with Naphtha for a while 
>> and everything rubs right off!
>> Thanks.
>>
>> On Wednesday, January 6, 2021 at 1:20:51 AM UTC+1 Pramanicin wrote:
>>
>>> I'd try soaking them in either IPA (no, not the 
>>> beer...)...isopropylalcohol (unless you're referring to that when you say 
>>> alcohol above)or, dichloromethane (if you can get hold of it), or paint 
>>> thinner (mineral spirits). Or hot soapy water may work. I used hot soapy 
>>> water on some old RFTZ568 tubes many many years ago to remove the red 
>>> lacquer on the tubes and it worked remarkably well
>>>
>>> On Tue, Jan 5, 2021 at 4:16 PM Yohan Park  wrote:
>>>
>>>>
>>>> I've received a few boxes with TH4B tubes which I think look quite nice 
>>>> as coluns.
>>>> However, since these are not meant to be used as neon tubes there's 
>>>> printing on them which I have to remove.
>>>> I've tried putting the bulb in the usual suspects like alcohol (97%), 
>>>> Acetone and sticker remover GooGone and WD40) but all to no avail.
>>>> There's a layer of lacquer protecting the printing which I can scratch 
>>>> off with my finger nail but this is quite tedious and I would like to be 
>>>> able to process many bulbs at one.
>>>> Does anyone know how this can be easily removed?
>>>> Thanks in advance.
>>>> [image: TH4B_1.jpg][image: TH4B_2.jpg][image: TH4B_3.jpg][image: 
>>>> TH4B_4.jpg]
>>>>
>>>> -- 
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>>>> an email to neonixie-l+...@googlegroups.com.
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>>>>  
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>>>> .
>>>>
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>> .
>>
>

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Re: [neonixie-l] Removing lettering from Russian TH4B tubes

[Yohan Park]

IPA (which I was referring to as alcohol): nope
Dichloromethane: I've got quite a bunch of chemicals lying around but 
unfortunately not that
Paint thinner: Yes! I let it sit in a test tube with Naphtha for a while 
and everything rubs right off!
Thanks.

On Wednesday, January 6, 2021 at 1:20:51 AM UTC+1 Pramanicin wrote:

> I'd try soaking them in either IPA (no, not the 
> beer...)...isopropylalcohol (unless you're referring to that when you say 
> alcohol above)or, dichloromethane (if you can get hold of it), or paint 
> thinner (mineral spirits). Or hot soapy water may work. I used hot soapy 
> water on some old RFTZ568 tubes many many years ago to remove the red 
> lacquer on the tubes and it worked remarkably well
>
> On Tue, Jan 5, 2021 at 4:16 PM Yohan Park  wrote:
>
>>
>> I've received a few boxes with TH4B tubes which I think look quite nice 
>> as coluns.
>> However, since these are not meant to be used as neon tubes there's 
>> printing on them which I have to remove.
>> I've tried putting the bulb in the usual suspects like alcohol (97%), 
>> Acetone and sticker remover GooGone and WD40) but all to no avail.
>> There's a layer of lacquer protecting the printing which I can scratch 
>> off with my finger nail but this is quite tedious and I would like to be 
>> able to process many bulbs at one.
>> Does anyone know how this can be easily removed?
>> Thanks in advance.
>> [image: TH4B_1.jpg][image: TH4B_2.jpg][image: TH4B_3.jpg][image: 
>> TH4B_4.jpg]
>>
>> -- 
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>> email to neonixie-l+...@googlegroups.com.
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>>  
>> <https://groups.google.com/d/msgid/neonixie-l/d8beacd7-676a-447b-abea-e618bcc14566n%40googlegroups.com?utm_medium=email_source=footer>
>> .
>>
>

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Re: [neonixie-l] Karlsson KA2000

[Yohan Park]

Aw too bad. I had one NIB 2 years ago and auctioned it but it only went for 
€195.
Some guy from Italy bought it.
https://www.catawiki.com/l/20705307-karlsson-nixie-clock-peter-van-der-jagt-1997
 
(click on "View this lot")
It was the first and last time I tried selling something on Catawiki.
It was quite nice but the tubes were underpowered and pretty dim, you can 
buy clocks that are way better.
But it was quite special because it was sold in retail stores.

On Wednesday, January 6, 2021 at 2:48:51 PM UTC+1 Richard Scales wrote:

> Hello,
>
> Thank you for the link though I think I should be more specific!
>
> I'm looking for a Karlsson KA2000 Nixie Tube Clock
>
> - Richard
>
>
> On Wednesday, 6 January 2021 at 12:42:40 UTC bung...@gmail.com wrote:
>
>>
>> https://www.ebay.ca/itm/RSQ-KA-2000-Mixing-Amplifier-karaoke/224285782514?hash=item34387971f2:g:~p4AAOSwKwNf3mNg
>>
>> On Wed, Jan 6, 2021 at 4:23 AM Richard Scales  
>> wrote:
>>
>>> On behalf of a colleague I am seeking a Karlsson KA2000 in working (or 
>>> near working) condition to purchase as a gift.
>>>
>>> If anyone could point me towards anyone selling one I would be most 
>>> grateful.
>>>
>>> - Richard
>>>
>>> -- 
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>>>  
>>> 
>>> .
>>>
>>

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Re: [neonixie-l] Removing lettering from Russian TH4B tubes

[Yohan Park]

Oops, I think I got that backwards, should be the anode (pin 1) and the 
second grid (pin 2)

On Wednesday, January 6, 2021 at 2:04:07 AM UTC+1 Yohan Park wrote:

> Yeah I really like them and they're (still) cheap.
> No luckily it doesn't need 400V, it needs 150V DC. I was driving the one 
> in the pictures directly from 230V AC mains with a 51K resistor and a 
> 1N4001 diode.
> It works best if you use the cathode (pin 4) and the first grid (pin 3).

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Re: [neonixie-l] Re: Cheapest 6-digit edge lit clock so far

[Yohan Park]

Thanks for posting the link to the manual

On Wednesday, December 30, 2020 at 8:11:46 PM UTC+1 dixter wrote:

> incase you can't see the manual...  Banggood list it too but couldn't find 
> the manual there...  
> the link for download
> https://drive.google.com/file/d/1Usx9toq8RxTBTbHdNiELmnl6TB7ykVim/view
>

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Re: [neonixie-l] Re: Cheapest 6-digit edge lit clock so far

[Yohan Park]

Exactly what I thought
I'm not going to solder over 150 SMD parts to save only $5

On Wednesday, December 30, 2020 at 7:09:29 PM UTC+1 H. Carl Ott wrote:

> I'm very tempted to order in one of these just to see how many of the 
> plastic frame pieces arrive intact, and not shattered.   
> If you do order one, pay the extra few bucks and avoid having to solder 
> all those WS2812Bs.  Unless you are into that sort of thing.
>

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[neonixie-l] Re: nixie clock using trigger tubes

[Yohan Park]

Very cool clock!
I assume the Reed switches are there so you can use a magnet to set the 
correct time?

On Tuesday, December 29, 2020 at 6:02:13 PM UTC+1 Pieter-Tjerk de Boer 
wrote:

> As promised earlier, more detailed information, including schematics, 
> about my clock is now on my website:
> https://www.pa3fwm.nl/projects/neonclock2/
>
> Regards,
>   Pieter-Tjerk
>
> On Thursday, December 24, 2020 at 7:13:10 PM UTC+1 Pieter-Tjerk de Boer 
> wrote:
>
>>
>> I recently completed a nixie clock without any transistors, 
>> microcontrollers or other ICs, instead using trigger tubes to implement the 
>> digital counters:
>>   https://www.youtube.com/watch?v=E3PBJUcKeoo
>>
>> Actually, I'm not even using the 'trigger' function of these tubes, they 
>> are just used as neon lamps with a large difference between strike and 
>> maintaining voltage. It's this difference which allows one to build 
>> counters with them. I'll publish a more detailed description on my website 
>> later on.
>>
>> Some may know that I built a similar clock over ten years ago:
>>   http://pa3fwm.nl/projects/neonclock/
>> That clock used regular NE-2 style neon lamps for the logic; 
>> unfortunately it became unreliable, as the lamps' properties changed with 
>> time. I hope the new clock will turn out to be more reliable...
>>
>> Regards,
>>   Pieter-Tjerk
>>
>>

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[neonixie-l] Re: What's the largest neon bulb commercially available?

[Yohan Park]

To add to my post about the Beehive lamp:
I found this PDF file of an Osram Glow Lamp catalog: 
https://patric-sokoll.de/Museum/OSRAM_Glimmlampen.pdf
The last page shows that they also made 2 different 110-130V versions 
(75.1000 for 100-115V and 75.1400 for 115-130V)
And they also produced them without built in resistor.

On Tuesday, December 29, 2020 at 9:27:51 PM UTC+1 philthepill wrote:

> I think US made  Aerolux tubes with a variety of flowers etc is in the 
> same concept - just screw them in and turn on the AC 120 Volt power.
>
> Pharma Phil
>
>
> -- Original Message -- 
> From: Yohan Park  
> Date: December 29, 2020 at 2:14 PM 
>
> That's what I meant with "novelty bulbs" ;) 
>
> The Bienenkorblampe (beehive lamp) runs straight on 210-240V so there's 
> already a resistor inside. 
> No idea if they were also made for 120V 
>
> On Tuesday, December 29, 2020 at 11:11:32 AM UTC+1 Tidak Ada wrote: 
>
> Don’t forget those ball shaped neon’s with messages as “*LOVE*”, “*Home 
> Sweet Home*” and so on
>
> About those Bienenkorb  lamps: What is the voltage they need and do they 
> need a series resistor? Or do they run local at mains voltage?
>
>  
>
> eric
>
>  
> -- 
>
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> <https://groups.google.com/d/msgid/neonixie-l/31b23a39-a69f-4a6f-89ae-93e5317836ebn%40googlegroups.com?utm_medium=email_source=footer>.
>  
>
>
>
>  
>

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Re: [neonixie-l] Re: What's the largest neon bulb commercially available?

[Yohan Park]

That's what I meant with "novelty bulbs" ;)

The Bienenkorblampe (beehive lamp) runs straight on 210-240V so there's 
already a resistor inside.
No idea if they were also made for 120V

On Tuesday, December 29, 2020 at 11:11:32 AM UTC+1 Tidak Ada wrote:

> Don’t forget those ball shaped neon’s with messages as “*LOVE*”, “*Home 
> Sweet Home*” and so on….
>
> About those Bienenkorb  lamps: What is the voltage they need and do they 
> need a series resistor? Or do they run local at mains voltage?
>
>  
>
> eric
>

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[neonixie-l] Re: INS-1 Neon Dot Tube Lead Spacing?

[Yohan Park]

I'm measuring a thickness of 0.4mm and a spacing of 4.8mm

On Tuesday, December 29, 2020 at 11:32:14 AM UTC+1 eds_eq...@verizon.net 
wrote:

> I'm hoping somebody here can help me. I am designing a circuit board for 
> my own Nixie tube clock using the Russian IN-12 nixies with four INS-1 
> tubes as Colons. And ESP-32 to sync to NTP. I need to know the lead 
> diameter and Lead spacing so I can put an appropriate footprint on the 
> board for each tube. I purchased 100 of these tubes a while back very 
> cheaply, and would just measure them, but they have currently Gone Missing.
>
>  If any of you can supply this information it would be very helpful, as 
> those Footprints are all I need to finish making the board. yes, I have 
> tried to Google this information, with no luck. I can find the tube length 
> and diameter, as well as the current and operating voltage, but no 
> specifications on the leads.
>
>
> Thanks
> Ed
>

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[neonixie-l] Cheapest 6-digit edge lit clock so far

[Yohan Park]

Okay so no Nixie, neon or VFD but I thought I'd post it here anyway.
I came across this on my nightly stroll on Ali and this goes to show how 
mass production can really lower consumer prices.
A complete 6-digit edge lit clock for only $27.35 ($32.67 if you don't want 
to solder).
Unbelievable how low these prices can go.

https://www.aliexpress.com/item/1005001864778735.html

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[neonixie-l] Re: What's the largest neon bulb commercially available?

[Yohan Park]

Ooooh, exactly what I'm looking for...
Too bad it's so rare :(
Thanks for posting that.

On Monday, December 28, 2020 at 11:05:33 PM UTC+1 SWISSNIXIE - Jonathan F. 
wrote:

> Not sure if it suits your request, but there was a german bulb, called 
> "bienenkorblampe" 
>
> https://de.wikipedia.org/wiki/Glimmlampe#/media/Datei:Bienenkorbglimmlampe.jpg
>
> Very nice but very rare!
>
>
> gregebert schrieb am Sonntag, 20. Dezember 2020 um 04:40:40 UTC+1:
>
>> I had a larger one up to a few years ago,  until I was careless and let 
>> it get broken, that ran on 120 VAC and had a standard edison base like 
>> regular light bulbs for household use. The bulb was about 2 inches in 
>> diameter. I think it was from the 1950's. No idea what it's intended use 
>> was, because it produced very little light.
>>
>> On Saturday, December 19, 2020 at 6:39:02 PM UTC-8 w...@kitsunegari.net 
>> wrote:
>>
>>>
>>> Not counting the novelty bulbs (flickering flame, Flamingo, Heart shape) 
>>> is there an E27 type neon bulb available?
>>> The largest I can find is an E14 bulb made by Elfin, Italy.
>>>
>>> https://www.newelfin.com/en/010E14N110/lamps-cable-glands-and-accessories/e14-neon-lamps/e14-neon-lamps/neon-lamp-e14-110-v
>>>  
>>> Would love a box of these by the way but I think they're only made to 
>>> order
>>>
>>

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[neonixie-l] Re: Buildings still got it!

[Yohan Park]

Cool!
I live in a small town and I know every single neon on the street. 
Unfortunately there aren't much :(
Will also take some pics and post them here.

On Sunday, December 20, 2020 at 3:46:03 AM UTC+1 martin martin wrote:

> This is in Camarillo, CA
> USA
>
> Real neon surround the building!
>
>
>
>
>
>
> On Saturday, December 19, 2020, Yohan Park  wrote:
>
>>
>> Not counting the novelty bulbs (flickering flame, Flamingo, Heart shape) 
>> is there an E27 type neon bulb available?
>> The largest I can find is an E14 bulb made by Elfin, Italy.
>>
>> https://www.newelfin.com/en/010E14N110/lamps-cable-glands-and-accessories/e14-neon-lamps/e14-neon-lamps/neon-lamp-e14-110-v
>>  
>> Would love a box of these by the way but I think they're only made to 
>> order
>>
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>> .
>>
>
>
> -- 
> mcve...@gmail.com
>

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[neonixie-l] What's the largest neon bulb commercially available?

[Yohan Park]

Not counting the novelty bulbs (flickering flame, Flamingo, Heart shape) is 
there an E27 type neon bulb available?
The largest I can find is an E14 bulb made by Elfin, Italy.
https://www.newelfin.com/en/010E14N110/lamps-cable-glands-and-accessories/e14-neon-lamps/e14-neon-lamps/neon-lamp-e14-110-v
 
Would love a box of these by the way but I think they're only made to order

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Re: [neonixie-l] First LED displays

[Yohan Park]

Not for the Russians it wasn't... ;)

On Sunday, December 20, 2020 at 1:29:10 AM UTC+1 gregebert wrote:

> Shortly after, the MAN-2 came out. It's a 5x7 matrix and could display the 
> ASCII character set. I still have 2 samples my father got from a vendor 
> sometime around 1973. That was the beginning of the end for nixies.
>
> On Saturday, December 19, 2020 at 12:55:00 AM UTC-8 Mark Moulding wrote:
>
>> I believe that the Monsanto MAN-1 was the first commercially available 
>> 7-segment LED display.  It was introduced in 1969, but was so expensive 
>> (~$300 each, or $175 in 1000s) that it didn't get much use until later in 
>> the 70s.
>>
>> I was surprised to find that the Numitron (or its ilk: Minitron, Apollo 
>> IEEE, and Wamco, and the Russian IV9 and IV16) was also introduced around 
>> that time.  All of the data sheets I have (that are dated - many are not) 
>> were published around 1972. The Numitron was certainly a mature technology 
>> by that time, but given that its fundamental technology had been available 
>> since the 1920s, I would have thought it to have been available much 
>> earlier.
>> ~~
>> Mark Moulding
>>
>>
>> On Friday, December 18, 2020 at 8:38:45 PM UTC-8 nixiebunny wrote:
>>
>>> The Monsanto MAN-1 was just about the first. It was a calculator sized 
>>> single digit in a 10 pin flatpack with staggered pins. 
>>> HP made their display with a controller chip in it soon after. 
>>> I have a huge three ring binder full of display brochures from 1969 that 
>>> I found at Black Hole surplus about 20 years ago. It's an amazing 
>>> collection of advanced and obsolete technologies. 
>>>  
>>>
>>> On Fri, Dec 18, 2020, 6:06 PM peter bunge  wrote:
>>>
 Can anyone remember what the first LED displays looked like?
 My first experience was with a 3 digit multiplexed display with bubble 
 magnifiers. Did these come out before the single 7 segment displays with 
 bigger digits?
 Did Numitron incandescent come out before the LED displays?

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 .

>>>

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Re: [neonixie-l] First LED displays

[Yohan Park]

Not for the Russians it wan't... ;)

On Sunday, December 20, 2020 at 1:29:10 AM UTC+1 gregebert wrote:

> Shortly after, the MAN-2 came out. It's a 5x7 matrix and could display the 
> ASCII character set. I still have 2 samples my father got from a vendor 
> sometime around 1973. That was the beginning of the end for nixies.
>
> On Saturday, December 19, 2020 at 12:55:00 AM UTC-8 Mark Moulding wrote:
>
>> I believe that the Monsanto MAN-1 was the first commercially available 
>> 7-segment LED display.  It was introduced in 1969, but was so expensive 
>> (~$300 each, or $175 in 1000s) that it didn't get much use until later in 
>> the 70s.
>>
>> I was surprised to find that the Numitron (or its ilk: Minitron, Apollo 
>> IEEE, and Wamco, and the Russian IV9 and IV16) was also introduced around 
>> that time.  All of the data sheets I have (that are dated - many are not) 
>> were published around 1972. The Numitron was certainly a mature technology 
>> by that time, but given that its fundamental technology had been available 
>> since the 1920s, I would have thought it to have been available much 
>> earlier.
>> ~~
>> Mark Moulding
>>
>>
>> On Friday, December 18, 2020 at 8:38:45 PM UTC-8 nixiebunny wrote:
>>
>>> The Monsanto MAN-1 was just about the first. It was a calculator sized 
>>> single digit in a 10 pin flatpack with staggered pins. 
>>> HP made their display with a controller chip in it soon after. 
>>> I have a huge three ring binder full of display brochures from 1969 that 
>>> I found at Black Hole surplus about 20 years ago. It's an amazing 
>>> collection of advanced and obsolete technologies. 
>>>  
>>>
>>> On Fri, Dec 18, 2020, 6:06 PM peter bunge  wrote:
>>>
 Can anyone remember what the first LED displays looked like?
 My first experience was with a 3 digit multiplexed display with bubble 
 magnifiers. Did these come out before the single 7 segment displays with 
 bigger digits?
 Did Numitron incandescent come out before the LED displays?

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 .

>>>

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[neonixie-l] Nixie tube with 10x "7" digits

[Yohan Park]

Probably a test unit of some sort?
Looks like an IN-14 with fine grid.
Price is ridiculous of course but it's interesting to see anyway :)
https://ebay.us/moLp4c 

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Re: [neonixie-l] Rodan CD47/GR414

[Yohan Park]

Couldn't agree more :)
Bigger doesn't always mean prettier.
The digits look vertically stretched just to make them fit in the tube.
If you'd scale this down to the size of a more common tube I bet most of us 
would say it's an ugly tube :)
Impressive? Yes! Pretty? No!
But like you, I would sure want one just for the impressive size alone!

On Wednesday, December 16, 2020 at 1:44:16 AM UTC+1 Pramanicin wrote:

> Controversial comment coming here.ugly tubes! :) The aspect ratio of 
> the digits is all wrongbut each to their own.and I certainly 
> wouldn't turn any down if someone was giving them away...lol.
>
>
>

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[neonixie-l] Re: Source for honeycomb mesh?

[Yohan Park]

Thanks for the link but it looks like they're making a different product 
than what I'm looking for.
I'm talking about the honeycomb mesh that was being used in many Russian 
tubes.
I believe I've seen a picture from a Dalibor tube where he also uses it so 
I'll ask him.

On Saturday, December 12, 2020 at 5:07:30 PM UTC+1 RikD wrote:

> Don't help him out, i know for a fact he's trying to raise an army of 
> metal bees!
>
> (just kidding)
>
> These guys are in the EU, not sure that's any help?
> https://www.honeycombpanels.eu/en/products/honeycomb/aluminium
>
> Op zaterdag 12 december 2020 om 16:39:34 UTC+1 schreef 
> w...@kitsunegari.net:
>
>> Does anyone know of a source where I can get aluminum honeycomb mesh?
>> There are loads of vendors on Ali selling aluminum mesh but so far I 
>> haven't been able to find one with a honeycomb pattern.
>> Thanks in advance.
>>
>

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[neonixie-l] Source for honeycomb mesh?

[Yohan Park]

Does anyone know of a source where I can get aluminum honeycomb mesh?
There are loads of vendors on Ali selling aluminum mesh but so far I 
haven't been able to find one with a honeycomb pattern.
Thanks in advance.

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[neonixie-l] Re: IV-6 background variations

[Yohan Park]

The blue ones I have (and looks like yours as well) also show brass in some 
places (top and bottom). I have over 100 assorted IV-6 tubes here and to me 
it looks like they're supposed to be brass color but some chemical reaction 
has turned them blue.

On Monday, December 7, 2020 at 6:32:40 PM UTC+1 Paolo Cravero wrote:

> Hello.
> Today I received some assorted used IV-6 VFDs and two of them have a blue 
> background. The lot spans from 1976 to 1992, so I am not surprised there 
> have been variations in base materials, but I never saw them before as I 
> haven't got many VFDs (yet). Maybe I am a bit disappointed because I got 
> only two blue's :) I am wondering how common they are.
>
> In the same purchase I bet on a lot of IN-16 sold as "for spare", which 
> are obviously 100% outgassed even if visually intact. Can't raise a 
> complaint, I've lost a bet, while I was hoping for some cathode poisoning. 
> Besides smashing a couple under a hammer and testing fall against different 
> floor materials, has anyone got a clue what do people do with dull Nixies?!
>
> Paolo
>

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[neonixie-l] Old Nixie thermometer on eBay

[Yohan Park]

Would probably sell for more if the listing included the word Nixie :)
https://ebay.us/PFsXJt

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[neonixie-l] IV-6 VFD came in different colors?

[Yohan Park]

I found this picture on spark-tube.com
The tubes are clearly lit with a UV light from the right side.
Has anyone ever come across these orange and blue versions?

[image: tube_iv-6-vfd-differen-colors.jpg]

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Re: [neonixie-l] Digital scale from 1971, with nixies of course

[Yohan Park]

Oh boy, that looks a lot like the one at the butcher's when I was a small 
kid (early seventies)
Does it have Nixies on the other side as well?

On Tuesday, November 24, 2020 at 6:27:37 PM UTC+1 nickja...@gmail.com wrote:

> That's very cool!
>
> On Tue, Nov 24, 2020 at 2:28 AM Paolo Cravero  wrote:
>
>> Hello.
>> I didn't know they existed and apparently there were very few models made 
>> worldwide: a digital scale with Nixies. At least according to this 
>> discussion <
>> https://www.tubeclockdb.com/forum/6-related-technology/2700-nixie-tube-based-weight-scales>
>>  
>> from almost 9 years ago.
>>
>> There is one currently on sale in Italy, an Italiana Macchi Mach 55. See 
>> the attached picture. According to the producer's brief history page (
>> http://www.italianamacchi.it/1505-2/) it was made in 1971 and uses an 
>> optical transducer. It should contain 29 or 30 nixies, no idea which ones.
>>
>> It is heavy for shipping. It is 6+6 hours drive from here and I would not 
>> know where to display it (not counting the family related "issues"). But 
>> it's a good idea for building something different from the ubiquitous clock.
>>
>> Paolo
>>
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>>  
>> 
>> .
>>
>

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Re: [neonixie-l] Elfin Rodan MG-17G

[Yohan Park]

So this is actually Panaplex in a tube?

On Tuesday, November 17, 2020 at 11:46:01 PM UTC+1 Yohan Park wrote:

> Thanks for that link Jon
> That’s a very interesting read for sure!
>
>  
>
> *From:* neoni...@googlegroups.com  *On Behalf 
> Of *Jon
> *Sent:* Tuesday, November 17, 2020 10:30 PM
> *To:* neonixie-l 
> *Subject:* Re: [neonixie-l] Elfin Rodan MG-17G
>
>  
>
> They're sweet little tubes, well worth having if you don't pay a fortune 
> for them. This page is an interesting tangent on the subject:
>
> http://www.imajeenyus.com/vacuum/20101115_second_panaplex/index.shtml
>
>  
>
> Jon.
>
> On Tuesday, November 17, 2020 at 9:09:52 PM UTC w...@kitsunegari.net 
> wrote:
>
> Oh dear that sounds scary.
> I really hope they’ve been handled with care and, if they were, this last 
> trip with the postal services doesn’t break them.
> I’m not even sure if I’m going to use them though. I’d never even thought 
> about them actually being 7 segment Nixie tubes so something inbetween 
> Nixie and Numitron. Perhaps use them to trade for other tubes I like. 
> No idea what the value of these things is nowadays.
>
>  
>
> *From:* neoni...@googlegroups.com  *On Behalf 
> Of *Paolo Cravero
> *Sent:* Tuesday, November 17, 2020 5:24 PM
> *To:* neoni...@googlegroups.com
> *Subject:* Re: [neonixie-l] Elfin Rodan MG-17G
>
>  
>
> Hello Yohan (or Park?).
>
>  
>
> Just came across 7 new MG-17G tubes which I never knew existed. Has anyone 
> ever done a clock with these tubes?
>
>  
>
> I "found" them inside a Inno-hit K80W battery operated portable 
> calculator, of which there are few similar models from the same year(s).
>
> In two tubes the top ring has gone loose and moves freely inside the glass 
> shorting segments together. Well, with some clever movements it can be 
> parked in the back of the tube still preserving functionality: it lasts as 
> long as nobody puts upside down the calculator.
>
>  
>
> Be gentle with your MG17-G's.
>
> Paolo
>
>  
>
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Re: [neonixie-l] Interesting clock....

[Yohan Park]

Been looking at this one for quite some time.
I love that it gives you the option to put custom graphics on it.
But I can find so little information about it and really would like to hear 
from people who've had it for a while to see if it's worth getting it.

On Wednesday, November 18, 2020 at 3:24:44 AM UTC+1 Paul Atkin wrote:

> Question to Jeff Walton - Can you share which forums also commented on 
> this clock.  I am interested to buy but would like to be sure before 
> jumping in.
>
> On Wednesday, November 18, 2020 at 9:33:54 AM UTC+9 Jeff Walton wrote:
>
>> I had to return this clock due to software and hardware issues.  It is a 
>> cool concept but needs more QC work before jumping in.  The IPS display is 
>> fairly convincing and has promise.  Others on different forum have had 
>> mixed results with the current implementation of this clock. 
>>
>>
>>
>>
>>
>>
>>  Original message 
>> From: Terry S  
>> Date: 11/17/20 6:11 PM (GMT-06:00) 
>> To: neonixie-l  
>> Subject: [neonixie-l] Interesting clock 
>>
>>
>> https://www.ebay.com/itm/EleksTube-IPS-10-Bit-RGB-Nixie-Tube-DIY-Electronic-Digital-LED-Glows-Desk-Clock/333792776347?hash=item4db799909b:g:KtoAAOSwU1dfVeNw
>>
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>> https://groups.google.com/d/msgid/neonixie-l/79dc8fe7-cc6f-4a6f-8c21-a75a80455e23n%40googlegroups.com
>>  
>> 
>> .
>>
>

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[neonixie-l] Elfin Rodan MG-17G

[Yohan Park]

Just came across 7 new MG-17G tubes which I never knew existed. Has anyone 
ever done a clock with these tubes?

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Re: [neonixie-l] Another newly-manufactured nixie tube

[Yohan Park]

Picture of the MX5570 <https://ibb.co/BGZq4K6>

On Tuesday, November 10, 2020 at 1:18:34 PM UTC+1 Yohan Park wrote:

> Their TaoBao page has had quite a few updates since this thread started.
> MX572 has now been replaced with their MX5570
>
> Translated form TaoBao:
>
> *After continuous research and overcoming difficult problems, we have now 
> developed a new version, which is a significant improvement over the 
> previous one. First, the top is changed to a flat top, the inner metal mesh 
> is dense, and the suction nozzle is moved to the bottom, and the overall 
> look is stronger, a little shorter than before, the height is 100mm, and 
> the pins are 110mm high. Now it is full-body glass, without a stainless 
> steel base, and the led lights at the bottom will no longer be blocked.*
> Price has doubled now, costing around $600 per tube!
> The remaining MX572 tubes are now being sold for around $120 each and 
> around $725 for a set of 6 tubes and 2 colons.
>
> On Saturday, June 6, 2020 at 2:11:04 PM UTC+2 Paul Andrews wrote:
>
>> Google translation of the text on TaoBao. So it seems that they have not 
>> started production yet, but are taking pre-orders: 
>>
>> The story of MX572 glow digital tube 20.06.01 Through our continuous 
>> efforts, we finally succeeded in resurrecting the glow tube for the first 
>> time in the country, which brought the glow tube back to life. The price of 
>> the glow tube we are buying, whether it is an online store or a second-hand 
>> platform, is one aspect. The most important thing is that there is no 
>> guarantee of life and after-sales, because there is no longer any 
>> reproduction. It is good to test it after we buy it, but no one knows how 
>> much life is left, and one is less and the price is even higher, so many 
>> feet have added remote control timing on the designed clock. Or human 
>> induction, reducing the lighting time of the tube to reduce the consumption 
>> of the remaining life of the tube and extend the life of the watch. Not 
>> only is it expensive, but we don’t know how long we can use it after we buy 
>> it. But now it is different! We independently designed the MX572 
>> large-scale digital glow tube, and hand-made the finished product, each 
>> small size must be strictly required, and strive to perfect the finished 
>> product. The pure hand-made process guarantees the controllability of the 
>> process, and there are subtle differences in the hand-made process so that 
>> each finished product is unique. At present, we have begun to resume 
>> production by means of pure hand-made methods. Now for the glow tube 
>> enthusiasts and enthusiasts, and to make the glow tube made by everyone 
>> recognized, we will sell the first batch of orders at a discounted price of 
>> one hundred sets (one set For six digital tubes and two gifted colon tubes) 
>> 1 Preferential price is 649 yuan n cells. Eleven to fifty sets of 
>> preferential prices are 699 yuan per tube. Fifty to one hundred sets are 
>> the price of a tube of 749 yuan (this price can be purchased individually, 
>> four are given a colon tube, and six are given two colon tubes, only one 
>> order, no superposition and no accumulation). The specific purchase method 
>> is the price of one set of Taobao shop volume temple at 0:00 on June 1 is 
>> the price of a single root multiplied by six. After the first batch of 
>> scheduled sales is completed, the original price of 799 per piece will be 
>> restored. Regarding after-sales, we will provide a five-year ultra-long 
>> warranty service for the glow tubes sold, eliminating your worries. As long 
>> as the defects in the process and materials and the problems caused by the 
>> defects of the mixed gas, we will replace you with a new tube. More than 
>> five years later, if the pipe is not broken and leaked, the old pipe will 
>> be provided with depreciation and the difference will be replaced with a 
>> new pipe service. Free you from all worries. Regarding the delivery cycle, 
>> "We will enter the production and delivery state after the reservation is 
>> completed on June 15th, and make and ship in accordance with the order of 
>> the order, and the delivery time of the subsequent order will be postponed. 
>> Because of the pure hand-made, the process requires extremely high 
>> precision It is complicated, and after the production is completed, it 
>> needs to undergo rigorous testing and aging processes to confirm the 
>> shipment, so the production cycle is generally 30 working days. Panic 
>> buying time 20.06.01 00:00:00 Shop address http://shop109244024 
>> .Taobao.com T

Re: [neonixie-l] Another newly-manufactured nixie tube

[Yohan Park]

Their TaoBao page has had quite a few updates since this thread started.
MX572 has now been replaced with their MX5570

Translated form TaoBao:

*After continuous research and overcoming difficult problems, we have now 
developed a new version, which is a significant improvement over the 
previous one. First, the top is changed to a flat top, the inner metal mesh 
is dense, and the suction nozzle is moved to the bottom, and the overall 
look is stronger, a little shorter than before, the height is 100mm, and 
the pins are 110mm high. Now it is full-body glass, without a stainless 
steel base, and the led lights at the bottom will no longer be blocked.*
Price has doubled now, costing around $600 per tube!
The remaining MX572 tubes are now being sold for around $120 each and 
around $725 for a set of 6 tubes and 2 colons.

On Saturday, June 6, 2020 at 2:11:04 PM UTC+2 Paul Andrews wrote:

> Google translation of the text on TaoBao. So it seems that they have not 
> started production yet, but are taking pre-orders:
>
> The story of MX572 glow digital tube 20.06.01 Through our continuous 
> efforts, we finally succeeded in resurrecting the glow tube for the first 
> time in the country, which brought the glow tube back to life. The price of 
> the glow tube we are buying, whether it is an online store or a second-hand 
> platform, is one aspect. The most important thing is that there is no 
> guarantee of life and after-sales, because there is no longer any 
> reproduction. It is good to test it after we buy it, but no one knows how 
> much life is left, and one is less and the price is even higher, so many 
> feet have added remote control timing on the designed clock. Or human 
> induction, reducing the lighting time of the tube to reduce the consumption 
> of the remaining life of the tube and extend the life of the watch. Not 
> only is it expensive, but we don’t know how long we can use it after we buy 
> it. But now it is different! We independently designed the MX572 
> large-scale digital glow tube, and hand-made the finished product, each 
> small size must be strictly required, and strive to perfect the finished 
> product. The pure hand-made process guarantees the controllability of the 
> process, and there are subtle differences in the hand-made process so that 
> each finished product is unique. At present, we have begun to resume 
> production by means of pure hand-made methods. Now for the glow tube 
> enthusiasts and enthusiasts, and to make the glow tube made by everyone 
> recognized, we will sell the first batch of orders at a discounted price of 
> one hundred sets (one set For six digital tubes and two gifted colon tubes) 
> 1 Preferential price is 649 yuan n cells. Eleven to fifty sets of 
> preferential prices are 699 yuan per tube. Fifty to one hundred sets are 
> the price of a tube of 749 yuan (this price can be purchased individually, 
> four are given a colon tube, and six are given two colon tubes, only one 
> order, no superposition and no accumulation). The specific purchase method 
> is the price of one set of Taobao shop volume temple at 0:00 on June 1 is 
> the price of a single root multiplied by six. After the first batch of 
> scheduled sales is completed, the original price of 799 per piece will be 
> restored. Regarding after-sales, we will provide a five-year ultra-long 
> warranty service for the glow tubes sold, eliminating your worries. As long 
> as the defects in the process and materials and the problems caused by the 
> defects of the mixed gas, we will replace you with a new tube. More than 
> five years later, if the pipe is not broken and leaked, the old pipe will 
> be provided with depreciation and the difference will be replaced with a 
> new pipe service. Free you from all worries. Regarding the delivery cycle, 
> "We will enter the production and delivery state after the reservation is 
> completed on June 15th, and make and ship in accordance with the order of 
> the order, and the delivery time of the subsequent order will be postponed. 
> Because of the pure hand-made, the process requires extremely high 
> precision It is complicated, and after the production is completed, it 
> needs to undergo rigorous testing and aging processes to confirm the 
> shipment, so the production cycle is generally 30 working days. Panic 
> buying time 20.06.01 00:00:00 Shop address http://shop109244024 
> .Taobao.com TUL C

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Re: [neonixie-l] K155ID1 keep or sell?

[Yohan Park]

Okay thanks
I wouldn't call them small though. They're 16 pin ICs and you need one for 
every tube.
Perhaps not a big deal for a larger clock but when designing something 
smaller, 6 of these take up quite some board space.

On Saturday, October 31, 2020 at 2:44:34 PM UTC+1 M1 wrote:

> They are sub $1, but worth keeping.
>
> Also, very small, so they really don’t take any real estate.
>
>  
>
> Michail 
>
>  
>

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Re: [neonixie-l] Re: Who is interested in IN33?

[Yohan Park]

On Wednesday, October 21, 2020 at 8:13:39 PM UTC+2 Юрий Овчинников wrote:

> Maybe you need some other lamps?
>
> Can you send me a list of what you have in stock please?
>

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Re: [neonixie-l] Re: Who is interested in IN33?

[Yohan Park]

On Wednesday, October 21, 2020 at 3:27:07 PM UTC+2 Юрий Овчинников wrote:

> 2x$18 + $30 shipping.
>
> Ah okay thanks.
> I didn't realize shipping from Russia to Europe was so expensive.
> Sorry, that's a bit too much for me.
>

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[neonixie-l] Re: Who is interested in IN33?

[Yohan Park]

On Monday, August 17, 2020 at 8:00:37 PM UTC+2 Юрий Овчинников wrote:

> Hi guys. Who is interested in IN33?
>

I'm interested as well.
How much for 2 pcs shipped to the Netherlands? 

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Re: [neonixie-l] NIMO

[Yohan Park]

On Sunday, October 4, 2020 at 3:09:46 PM UTC+2 jörg wrote:

> So, if there is someone in the group, who is willing to sell a nimo which 
> might join the other five, pls. pm me.


You could ask Fran Blanche
She's got a few Tubes and only has 1 in use and not enough to build a clock.
Maybe she's willing to part with one "for science".
Tell her you're building a 6-tube clock and she's your only hope...
https://www.youtube.com/channel/UCMLgHbpJ8qYqj3CkdbvC0Ww
 

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Re: [neonixie-l] NIMO

[Yohan Park]

On Sunday, October 4, 2020 at 3:09:46 PM UTC+2 jörg wrote:

> So, if there is someone in the group, who is willing to sell a nimo which 
> might join the other five, pls. pm me.


You could ask Fran Blanche
She's got a few Tubes and only has 1 in use and not enough to build a clock.
Maybe she's willing to part with one "for science".
Tell her you're building a 6-tube clock and you're her last hope...
https://www.youtube.com/channel/UCMLgHbpJ8qYqj3CkdbvC0Ww  
 

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