This sign was most likely built in the former Telefunken Röhrenfarbrik in Ulm, Germany. I picked it up closeby as well. Luckily I live close to Ulm because I wouldn’t have risked shipping such a delicate sign.
Magnedyne schrieb am Dienstag, 14. November 2023 um 07:02:12 UTC+1: > You might just be correct. According to the seller this sign sat in a damp > basement for the better part of fourth years which could easily result in > corrosion on some of the sockets. Furthermore taking a look at the pictures > in the listing it seems that whilst these three tubes were noticable, they > weren't quite as bad as they are now. Fingers crossed it's just a bad > connection.[image: Screenshot_20231114-065850.png] > > Audrey schrieb am Montag, 13. November 2023 um 22:45:53 UTC+1: > >> Bad connection somewhere possibly, wouldnt surprise me if the tubes are >> socketed >> >> On Mon, Nov 13, 2023, 4:39 PM Nicholas Stock <[email protected]> wrote: >> >>> Oh, it moves? Probably a leaky tube then I'm afraid.. unless anybody >>> else on the list has ideas? >>> >>> On Mon, Nov 13, 2023 at 1:22 PM Magnedyne <[email protected]> wrote: >>> >>>> >>>> Furthermore I should mention that the partial glow does not affect only >>>> specific elements of the tube but any element inside the tube. >>>> Can this be caused by deposits? >>>> Nicholas Stock schrieb am Montag, 13. November 2023 um 21:56:10 UTC+1: >>>> >>>>> WHAT A FIND!!! OMG. I didn't even know there were smaller versions of >>>>> the ZM1350 (shame on me!). >>>>> >>>>> The tubes with the partially lit segments can probably be revived with >>>>> a little extra current... just be careful not to burn them during the >>>>> healing process (if it works..). >>>>> >>>>> Wow.. >>>>> >>>>> Welcome to the group, >>>>> >>>>> Nick >>>>> >>>>> On Mon, Nov 13, 2023 at 12:07 PM Magnedyne <[email protected]> >>>>> wrote: >>>>> >>>>>> Well, this serves as my introduction and and as a thread about a >>>>>> beautiful sign I just picked up. >>>>>> Firstly something about myself. >>>>>> I’m a 17 year old collector and (hobby) historian of vintage >>>>>> computers, my interests are mainly minis, mainframes, early micros and >>>>>> kit/diy computers. But I’ve got a few other different bits and bobs >>>>>> throughout the history of technology as well. >>>>>> Now back to the reason I joined this group. >>>>>> I came across an absolutely beautiful Telefunken advertising sign for >>>>>> the, frankly underdocumented, Telefunken Varisymbol tubes. They were >>>>>> Telefunkens response to the Burroughs 7971 alphanumerical tubes. These >>>>>> were >>>>>> only sold for a very brief amount of time and exclusively in Europe. >>>>>> Interestingly these are flat like panaplex tubes and the anode is not >>>>>> a grid, but a coating on the inside of the tube. These are the earliest >>>>>> gas >>>>>> discharge tubes, well the ones I’m aware of anyhow, which used such a >>>>>> coating. >>>>>> The sign is a handmade one off which was lugged around to fairs to >>>>>> advertise the Varisymbol to potential Customers. It implements all three >>>>>> sizes of the Varisymbol ZM1350 ZM1360 & ZM1370. It can alternate between >>>>>> „TELEFUNKEN“ and „VARISYMBOL“ at four different speeds. Switching >>>>>> between >>>>>> the sign reading „TELEFUNKEN“ three times, then „VARISYMBOL“ three >>>>>> times >>>>>> and the sign reading „TELEFUNKEN VARISYMBOL TELEFUNKEN“/ „VARISYMBOL >>>>>> TELEFUNKEN VARISYMBOL“ is possible as well. Unfortunately three tubes >>>>>> don’t display quite properly. I’m hoping it’s just the electronics, I >>>>>> haven’t had time for a detailed diagnosis yet. Even if it’s the tubes, >>>>>> it >>>>>> seems to be the most common type at least, the ZM1350 which seems to >>>>>> have >>>>>> popped up most often in the past. >>>>>> Any further info about the Varisymbol is greatly appreciated. >>>>>> Cheers, >>>>>> Magnedyne >>>>>> [image: IMG_0026.jpeg] >>>>>> >>>>>> [image: IMG_0025.jpeg] >>>>>> [image: IMG_0021.jpeg] >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> 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 [email protected]. >>>>>> To view this discussion on the web, visit >>>>>> https://groups.google.com/d/msgid/neonixie-l/20e32d2c-3ac1-4656-b532-77b22f6a35f1n%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/neonixie-l/20e32d2c-3ac1-4656-b532-77b22f6a35f1n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> 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 [email protected]. >>>> To view this discussion on the web, visit >>>> https://groups.google.com/d/msgid/neonixie-l/b9a44802-8976-4574-8fe7-59861768a1dbn%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/neonixie-l/b9a44802-8976-4574-8fe7-59861768a1dbn%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >>> 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 [email protected]. >>> >> To view this discussion on the web, visit >>> https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHKakyQc4gaaNb7b4MaE-Yrg8MQx9bWiERCY5pZg0CRnHA%40mail.gmail.com >>> >>> <https://groups.google.com/d/msgid/neonixie-l/CAOX%2BRHKakyQc4gaaNb7b4MaE-Yrg8MQx9bWiERCY5pZg0CRnHA%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. 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