Awesome sign! Would like to see the circuitry. On Monday, November 13, 2023 at 3:22:00 PM UTC-6 Magnedyne 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/f6d4f060-e4d1-4f69-86a5-975d06632483n%40googlegroups.com.
