Re: [neonixie-l] NIMOs for sale on FeeBay

[astroschmidt]

Hi Martin,
Do you know which observatory that is? 
Could be the largest telescope on Kitt Peak National Obeservatory (KPNO) or 
the biggest one in Siding Spring/Australia (formerly Anglo-Australian 
Obeservatory) or perhaps on Mauna Kea/Hawaii?

Best regards
Roger

Dekatron42 schrieb am Montag, 1. Juli 2024 um 20:18:56 UTC+2:

> I'm not sure if this counts as commercial but there are a few photos with 
> NIMOs here used in an observatory: 
> https://www.flickr.com/photos/spacelama/3042797253/in/photostream/ flip 
> through the åhotos for some closeups.
>
> /Martin
>
> On Monday 1 July 2024 at 19:09:30 UTC+2 gregebert wrote:
>
>> I wonder how many NIMO tubes are changing owners because they were unable 
>> to build their own clock ? For that matter, how many NIMO tubes were 
>> manufactured in the first place ? I've never seen a picture of a real 
>> product using them; only the mockup in the IEE sales literature.
>>
>> On Monday, July 1, 2024 at 9:25:09 AM UTC-7 Nick Andrews wrote:
>>
>>> I mean, that's how I ended up with both old and new Colt Pythons!  Well, 
>>> on the new one, I just bid low and assumed I'd be outbid but finally that 
>>> bit me in the posterior.  At least I got that one for below dealer cost.
>>>
>>> On Mon, Jul 1, 2024 at 11:18 AM Nicholas Stock  
>>> wrote:
>>>
 Fair point... :)

 On Mon, Jul 1, 2024 at 9:07 AM Nick Andrews  
 wrote:

> Since when has 'need' ever stopped any of us?
>
> On Mon, Jul 1, 2024 at 10:41 AM Nicholas Stock  
> wrote:
>
>> FeeBay... I love it. True too...
>>
>> I saw those. Bit rich, but not far off. I don't 'need' any. LOL.
>>
>> On Mon, Jul 1, 2024 at 8:22 AM Nick Andrews  
>> wrote:
>>
>>> So which of you wealthy folks are grabbing this up?
>>>
>>>
>>> https://www.ebay.com/itm/145863284928?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=AiR5Q76JRG6&sssrc=2047675&ssuid=9S4jfnnKS4i&widget_ver=artemis&media=COPY
>>>
>>>
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[neonixie-l] Nixies in films/movies

[astroschmidt]

Just saw the first episode of season 4 of "Babylon-Berlin".
It plays in the years directly before the Nazis took over, this season is 
in 1931.
Near the end of the episode a crazy German industrian announces on a New 
Years Eve party that he will be the first man on the moon. As a showpiece 
for the party guests a rocket similar in size and shape to the V2 "flying 
bomb" (or "buss bomb") is launched from a control panel with a Nixie tube 
as countdown display:

[image: Babylon-Berlin_4_Epiosde1.jpg]

The lettering means "thrust" ("Schubkraft"), time-control ("Zeitkontrolle") 
and ignition ("Zündung"). 
In fact famous Austrian-German director Fritz Lang made a movie called 
"Frau im Mond" ("Woman in the moon") in 1929 where the first documented 
countdown is shown.
One of the technicaladvisors for the movie was Hermann Oberth, the 
"godfather of spaceflight", who was to build a working large rocket the 
size of the one in the movie to be fired at the opening night. During the 
time of the movie and the "Babylon-Berlin" episode the "Verein für 
Raumschiffahrt" ("Association for Spaceflight") was already active with 
Wernher von Braun and many others that would later build the core of the 
"Peenemünde team" where the A4/V2 was developed during Nazi-time and WW II.
Of course the use of NiXie tubes in 1931 in Germany is completely 
fictitious :-)

Roger

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[neonixie-l] Any information on the "Atlas Secondo" nixie-clock from 1972?

[astroschmidt]

I recently found some pictures of an Italian (?) nixie-clock from 1972 in a 
beautiful space-age seventies style design: 
www.nixieclocks.de/english/01fd1195970e86f01/o000.html

[image: Atlas Secondo.jpg]

The webpage with the photos is from Claus Urbach who is a German seller of 
nixie-kits (and I think cooperates with Dieter Waechter).

I can´t find any information on this clock and it looks like it never sold 
on Ebay recently.

Anybody here who can give some information about this clock?

Cheers
Roger

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Re: [neonixie-l] NIMO

[astroschmidt]

 Hi Martin,

here´s another YouTube video where I unbox the Ebay-auction package (if you 
haven´t already found it):
https://youtu.be/7Mprac_anEA

If I find the time I will scan the documents that were included in the 
Ebay-auction and share them here.
.
The five tube mounting bracket is ATM under use in the prototype.
I will take photos of the bracket and the bezel, when I am ready with the 
clock enclosure.

Best regards
Roger 

Dekatron42 schrieb am Montag, 5. Oktober 2020 um 14:33:00 UTC+2:

> Would it be possible for you to share the circuit diagrams that you got in 
> the box with the tubes, I haven't seen some of them, just the datasheet.
>
> Also, can you share some photos of the mechanical pieces in the package, 
> like photos of the five tube mounting bracket and of the power supply (saw 
> some photos in the video)?
>
> /Martin
>
> On Monday, 5 October 2020 14:09:07 UTC+2, astroschmidt wrote:
>>
>> Hi Jörg,
>>
>> as I lately got 10 NIMOs in an Ebay auction and am currently also working 
>> on a 6 tube NIMO-clock I can sell you a tube from my spares.
>> YouTube NIMO-Clock Update#2 <https://youtu.be/JA1oeqavMg8>
>> YouTube NIMO-Clock Update#1 <https://youtu.be/cGmHSJMAjvk>
>>
>> Please PM me.
>> Roger
>> jörg schrieb am Sonntag, 4. Oktober 2020 um 15:09:46 UTC+2:
>>
>>> So, if there is someone in the group, who is willing to sell a nimo 
>>> which might join the other five, pls. pm me.
>>>
>>> jörg schrieb am Sonntag, 4. Oktober 2020 um 14:57:19 UTC+2:
>>>
>>>> Martin, you are right.
>>>> I've checked the getter flash and it is gone. Only a white shadow left.
>>>> So, sadly, the tube has sucked air and is cracked somewhere at the pins.
>>>> Unfortunately, I don't have a plasma ball.
>>>>
>>>> Dekatron42 schrieb am Sonntag, 4. Oktober 2020 um 01:20:23 UTC+2:
>>>>
>>>>> Have you got a Plasma ball to hold it to? If air has entered in you 
>>>>> might see a very faint blueish glow if you turn off the surrounding light.
>>>>>
>>>>> What does the getter flash look like, like a mirror or is it gone 
>>>>> completely, or has it gone white?
>>>>>
>>>>> I have seen a few Nixies where the Anode wire has come lose at a 
>>>>> welding spot, can you see if something similar has happened to your Nimo 
>>>>> with any of the wires or the Anode connection - if so you might smack it 
>>>>> gently against your palm to see if the wire reconnects enough for it to 
>>>>> work again?
>>>>>
>>>>> /Martin
>>>>>
>>>>> On Saturday, 3 October 2020 23:35:35 UTC+2, jörg wrote:
>>>>>>
>>>>>> Hi Gregebert, yes, I've checked the tube several times. The cold 
>>>>>> resistance is about 2,1 ohm, which is identical to the other tubes.
>>>>>> Just swapped the tube with a running one on the same driver board. 
>>>>>> Sadly, no function at all. Under a microscope, no crack is visible.
>>>>>>
>>>>>> I've made a short video to show the difference between a neon-nixie 
>>>>>> and a nimo crt-tube and a neodym magnet (very small one.)
>>>>>> https://www.youtube.com/watch?v=JJytnrvTy3Q
>>>>>>
>>>>>> gregebert schrieb am Freitag, 2. Oktober 2020 um 19:25:40 UTC+2:
>>>>>>
>>>>>>> Jorg - Regarding the dead tube, have you compared the filament 
>>>>>>> resistance of the bad tube to the others ?
>>>>>>>
>>>>>>> NIMO tubes have 2 parallel filaments, so if one is open, the 
>>>>>>> resistance will be TWICE the value of a good tube.
>>>>>>> I think the cold resistance is around 3 ohms.
>>>>>>>
>>>>>>> If 1 filament is out, you can still get 5 numerals to work.
>>>>>>>
>>>>>>> I would be surprised if both filaments are burned-out, unless 
>>>>>>> someone put way too much voltage on it, or the tube is cracked around 
>>>>>>> the 
>>>>>>> pins.
>>>>>>>
>>>>>>> If the filaments are OK, power-up the tube and make sure you get 
>>>>>>> around 180mA of current.
>>>>>>> Then try varying the voltage between the filament and the logic 
>>>>>>> driving the grids. If a grid is about 6 V more po

Re: [neonixie-l] NIMO

[astroschmidt]

Hi Jörg,

as I lately got 10 NIMOs in an Ebay auction and am currently also working 
on a 6 tube NIMO-clock I can sell you a tube from my spares.
YouTube NIMO-Clock Update#2 
YouTube NIMO-Clock Update#1 

Please PM me.
Roger
jörg schrieb am Sonntag, 4. Oktober 2020 um 15:09:46 UTC+2:

> So, if there is someone in the group, who is willing to sell a nimo which 
> might join the other five, pls. pm me.
>
> jörg schrieb am Sonntag, 4. Oktober 2020 um 14:57:19 UTC+2:
>
>> Martin, you are right.
>> I've checked the getter flash and it is gone. Only a white shadow left.
>> So, sadly, the tube has sucked air and is cracked somewhere at the pins.
>> Unfortunately, I don't have a plasma ball.
>>
>> Dekatron42 schrieb am Sonntag, 4. Oktober 2020 um 01:20:23 UTC+2:
>>
>>> Have you got a Plasma ball to hold it to? If air has entered in you 
>>> might see a very faint blueish glow if you turn off the surrounding light.
>>>
>>> What does the getter flash look like, like a mirror or is it gone 
>>> completely, or has it gone white?
>>>
>>> I have seen a few Nixies where the Anode wire has come lose at a welding 
>>> spot, can you see if something similar has happened to your Nimo with any 
>>> of the wires or the Anode connection - if so you might smack it gently 
>>> against your palm to see if the wire reconnects enough for it to work again?
>>>
>>> /Martin
>>>
>>> On Saturday, 3 October 2020 23:35:35 UTC+2, jörg wrote:

 Hi Gregebert, yes, I've checked the tube several times. The cold 
 resistance is about 2,1 ohm, which is identical to the other tubes.
 Just swapped the tube with a running one on the same driver board. 
 Sadly, no function at all. Under a microscope, no crack is visible.

 I've made a short video to show the difference between a neon-nixie and 
 a nimo crt-tube and a neodym magnet (very small one.)
 https://www.youtube.com/watch?v=JJytnrvTy3Q

 gregebert schrieb am Freitag, 2. Oktober 2020 um 19:25:40 UTC+2:

> Jorg - Regarding the dead tube, have you compared the filament 
> resistance of the bad tube to the others ?
>
> NIMO tubes have 2 parallel filaments, so if one is open, the 
> resistance will be TWICE the value of a good tube.
> I think the cold resistance is around 3 ohms.
>
> If 1 filament is out, you can still get 5 numerals to work.
>
> I would be surprised if both filaments are burned-out, unless someone 
> put way too much voltage on it, or the tube is cracked around the pins.
>
> If the filaments are OK, power-up the tube and make sure you get 
> around 180mA of current.
> Then try varying the voltage between the filament and the logic 
> driving the grids. If a grid is about 6 V more positive than the 
> filament, 
> you should get a numeral to turn on.
>
> On Thursday, October 1, 2020 at 1:44:20 PM UTC-7 jörg wrote:
>
>> Short update of my nimo project.
>> I've got 5 tubes running. The sixt is unfortunately DOA.
>> The tubes filaments are driven with three power supplies, with soft 
>> start IC (load switch).
>> So the filament gets started very smooth.
>> I've made some experiments with multiplexing the tubes. 
>> Which work nice, using the method described in the manual. The bias 
>> voltage is changed for every tube, that should be on/off.
>> In the actual approch, I'm using direct driving the tubes via 74HC595 
>> shift registers. Got a plenty of problems at the beginning.
>> The power and signal lines for the 595 were messed with switching 
>> noise. Some caps did the trick.
>> Really nice to view the working tubes.
>>
>> Video: https://www.youtube.com/watch?v=JbwfZhYhnlo
>>
>> jörg schrieb am Mittwoch, 15. Juli 2020 um 18:01:18 UTC+2:
>>
>>> I‘m using Eagle to layout. 
>>> It takes time for me to feel comfortable with it. 
>>> And Fusion360. 
>>>
>>>

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[neonixie-l] Nixie Multimeter Takeda Riken TR6155M

[astroschmidt]

Hi folks,

At our last local dorkbot-meeting I got a fully working digital multimeter 
with nixie tubes as display.
It's a Takeda Riken TR6155M and calibration still seems to be OK.
After cleaning up the front panel it looks like new :-)

Does anybody have technical details, service manual or any documents 
relating to this beautiful thing of the past?
I can't find much with google :-(

Best regards

Roger

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[neonixie-l] Re: Putting a film on tubes...

[astroschmidt]

Hi Nick,

that could have been me. 
In Germany the glass-paint that I use to colour my nixies and VFD-tubes is 
called "Gluehlampen-Tauchlack", which roughly translates as "bulb-dipping 
lacqeur".
I got mine from this Ebay-seller in 100ml quantities 
http://stores.ebay.de/Super-Ingo-85-Shop/Tauchlack-/_i.html?_fsub=1751&_sid=81142742&_trksid=p4634.c0.m322
I don't know if he ships overseas. 
The orange paint is perfect for nixies and other neon glow-lamps, the green 
and blue ones give beautiful results with VFD-tubes.
Perhaps a search on your domestic sites with "bulb lacquer" or "glass 
paint" gives you the right products.

I simply pour the lacquer into a vessel where the tube just fits inside.
That way I can fully dip even quite large nixies with the 100ml qunatity.
Just dip the tube upside-down two or three-times into the lacquer, slowly 
pull it out again, let the excess paint drip off and let it dry overnight.
The tube should be grease-free. I clean it with isopropyl-alcohol before 
dipping.
With a little practice You get very even results.
In case You make a mistake You can wipe off the paint from the tube with 
acetone.

Kind regards

Roger

On Friday, January 17, 2014 3:53:46 AM UTC+1, Pramanicin wrote:
>
> I remember a long time ago someone was describing how to color the glass 
> envelope on a nixie tube...are there any instructions out there on how to 
> do this?
>
> Cheers,
>
> Nick
>

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[neonixie-l] Re: What to do with a 0B3 regulator tube ?

[astroschmidt]

On Friday, January 10, 2014 1:19:37 AM UTC+1, greg...@hotmail.com wrote:
>
> I acquired a few of these for free (not a bad price), and their faint 
> purplish glow doesn't produce much of a "wow" factor to show-off. I was 
> hoping that reverse-polarity would produce more glow; no such luck. Most of 
> the interesting glowing is hidden inside the  metallic area of the tube. 
> Even with higher current, the glow was barely affected. It's so dim that it 
> wouldn't even make a decent night-light.
>
> Any ideas out there ?
>
> Since these aren't rare tubes (yet...), I'm tempted to repeat an 
> experiment I did in high school with a 0A2 regulator tube: I cranked so 
> much current thru it that the plate glowed red-hot, the glass softened and 
> due to the vacuum, and it shrank around the metal. Watching the poor tube 
> shrivel-up and die made me laugh so hard I cried.
>

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Re: [neonixie-l] Re: What to do with a 0B3 regulator tube ?

[astroschmidt]

Hi Dailbor,

here in Germany we do have an electronis distribur who sells two kinds of 
"green" glow lamps:

http://www.reichelt.de/Lamps-Signal/RAFI-137-1002/3/index.html?&ACTION=3&LA=446&ARTICLE=110919&GROUPID=3055&artnr=RAFI+137.1002&SEARCH=glimmlampe

and

http://www.reichelt.de/Lamps-Glow/L-2113/3/index.html?&ACTION=3&LA=446&ARTICLE=46088&GROUPID=3053&artnr=L+2113&SEARCH=glimmlampe

I once bought one of each.
The first one must be a normal neon glow lamp inside a green coloured 
plastic cover. 
I use this one as an indicator in a variac and one can see the strong 
orange glow through the green plastic.

The second one I haver somewhere lying around. 
You can see that it is advertised as green-glowing when you click the tab 
"Technical Details".
The photo is not always the one of the real product because Reichelt mostly 
uses the same photo for a whole group of products.
I do remember that it produced a more pure green glow. 
I will try to find it, firing it up and then report.

Kind regards

Roger


On Friday, January 10, 2014 6:29:02 PM UTC+1, Dalibor wrote:
>
> What kind of gas produces green colour?
>
>

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[neonixie-l] Re: 9x Z568M found on ebay

[astroschmidt]

The seller name in pidgin-German means "Have nothing" :-)

And many Bulgarians speak German...

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[neonixie-l] Re: have you ever seen/ IN18

[astroschmidt]

Hi westdave,

> so the IN18 has more bang per buck, but the gas mix is near violet when you 
> pump them
> hard,i think that an orange filter (dipped orange in french lacquer)would 
> improve there color,any one try this?or orange plastic filter in front of 
> them or orange color jell (used in stage lighting)made into a tube and 
> slipped over the nixie.

yes. I have all my originally clear nixies (including IN-18) dipped
into orange french lacquer (or "bulb-dip lacquer" as would be literal
translation from the german expression).
Looks great, no more blue-violet hue, improves contrast and makes very
much sense with an auto-dimming function :-)

Kind regards

Roger

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[neonixie-l] Re: IV-17 Smartsockets

[astroschmidt]

Hi Chris,

I really appreciate your sticking to the smartsockets project.
The new VFD-smartsockets look fantastic!
It like waiting for Christmas as a child until they become
available :-)

Cheers

Roger

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[neonixie-l] Re: B-7971 message board clock !

[astroschmidt]

Hi fixitsan,

great to hear, that you are still working on the four tube IV-17/IV-4
smartsockets.

My VFDs are waiting to be fired up...

Cheers

Roger

On 19 Okt., 23:29, fixitsan  wrote:
> Have you looked at Smartsockets yet ? They are flexible and carry many
> animations and special effects. One required per tube.
>
> I'm currently working on a four tube IV-17/IV-4 vacuum fluorescent 16
> segment display Smartsocket, in case you were looking for mini (and
> cheaper) version of the larger FLW
>
> Details are athttp://groups.yahoo.com/group/smartsockets/?yguid=48099276
>

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[neonixie-l] Re: Possible source forproducing new nixies?

[astroschmidt]

Well, according to the article the 845 Triode by Elrog was developed
and is produced only for one special German high-end HiFi-factory and
one of their amplifiers:

http://www.cayin.de/english/ev_9088d.htm

So the production run of the mentioned EL 845 triode is certainly not
in the millions and probably even not in the thousands, but more in
the (lower?) hundreds.

IF the development and fabrication of a large nixie with 50...80mm
digit height is (hopefully) easier than the EL 845 tube and a volume
of perhaps 1000 pieces could be ordered, it's perhaps worth a thought
by the kit manufacturers :-)

Roger

On 2 Jul., 20:24, David Forbes  wrote:
> I really doubt it. You would need a guaranteed market of a million Nixie
> tubes to justify re-developing the processes, building the necessary
> equipment and staffing a small factory.
>
> I've used up perhaps a few hours' worth of the original factory
> production of B5870 tubes for my Nixie watch product's sales in the last
> five years. And it's one of the more successful Nixie tube products out
> there. That's not a market that would justify any investment in facilities.
>
> --
> David Forbes, Tucson AZ

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[neonixie-l] Possible source forproducing new nixies?

[astroschmidt]

In the july issue of the German Hifi-journal "stereoplay" there is a
report about a small german factory ("Elrog") which produces a newly
developed, improved version of the 845 triode:

http://www.elrog.com/

You can view the article in readable form as e-paper:

http://spezial.magnus.de/e-paper/stereoplay/

Go the point "Röhrentechnik" and click into the article to magnify it
to a readable format.

The article will probably only be available as e-paper until the next
issue of "stereoplay" comes out in July, 8th.

The founder of the company, Dr. Klaus Schaffernicht, seems to have
worked in the last german tube-factory of Telefunken in Ulm many
decades ago (probably in the R&D-division of Telefunken?).
In the article You can even see a picture of him and his estimated age
could fit to that :-)

According to the report Dr. Schaffernicht really seems to have the
know-how, subcontractors and machines to develop and produce new top-
quality tubes, though of course for premium prices.
The article mentions 440 Euros (ca. 600 US-$) for the new Elrog 845
triode.

But in the face of drying up of NOS nixie-stocks and exponentially
increasing prices for the bigger nixies perhaps we already have
reached the point, where a new, premium-quality nixie production could
become profitable?

Perhaps Jan Wuesten (Hi, Jan) has already contacted Dr.
Schaffernicht :-)

Greetings to all

Roger

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[neonixie-l] Re: OT: Shipping USA to Germany

[astroschmidt]

Usually German customs is quite fast but from time to time I have also
experienced a delay of 4-6 weeks.
But these were mostly from the former Soviet Union.
Never experienced such a long delay with a parcel from the US (or
China, Hongkong etc.).
Could also be, that the delay was in the transport way?

Roger


threeneurons schrieb:
> | This month two different buyers from Germany have contacted me,
> | wondering were their parcels went. Both packages were shipped
> | well over a month ago.
>
> Update: 2nd buyer; shipped his package on April 26. He just wrote to
> me this morning, indicating that the package has finally arrived (June
> 16). That's 7-1/2 weeks !
>
> Apparently, the German Customs and/or Postal services have been
> studying, and implementing, the work procedures of the California DMV
> (Dept of Motor Vehicles).

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[neonixie-l] Re: New nixie-clock by Telefunken

[astroschmidt]

Hi Jens,

>
> I bet it is a version of this clock from Hughes & Kettner, see 
> here:http://www.sixandfour.de/cgi-bin/shop.dll?SESSIONID=0230294152861461&;...
>
> The Hughes Kettner clock has been around for some years now, the TFK one
> looks like a very similar model with IN-14 and IN-16 tubes.
>

Didn't know about the Hughes&Kettner clock.
Yeah. It really looks like the same.
Only the price is (very) different.
The Hughes&Kettner at moderately 300 Euros, the "Telefunken"-branded
version around 500 Euros according to the november issue of the
(german) "Stereo"-magazine.


> Same thing as with Grundig I guess. Have a "made in China" telefone here
> at my home that says "Grundig".
>

Caveat emptor (buyer beware)!

Roger

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[neonixie-l] New nixie-clock by Telefunken

[astroschmidt]

The venerable Telefunken company is still in existence and has a new
nixieclock in their program:

http://www.telefunken.com/index.php?id=70&L=1&classifiedcat_id=70&classified_id=178

Obviously made with russian IN-14 or IN-8 nixies.

I saw a TV-report about the "new" Telefunken company.
Some investors have bought the name-rights of Telefunken and are
marketing modern consumer and HIFI-electronics under the name.

You can find the report (in German) on the homepage of Deutsche Welle
TV

http://www.dw-world.de/dw/article/0,,5891625,00.html

When You scroll down the "Made in Germany" content ("Themen der
Sendung"), You will find it under "Telefunken-Eine Weltmarke kehrt
zurück".

There You can watch the report as a flash-movie.

Greetings

Roger

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