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 Nixie valves and clock kits
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 Return to top of page · Post #: 16 · Written at 7:17:55 AM on 22 December 2018.
Garyoz's avatar
 Garyoz
 Location: Perth, WA
 Member since 19 November 2008
 Member #: 381
 Postcount: 240

I built two of the July 2007, Silicon Chip Nixie tube clocks and they worked fine initially. After a few months some elements in some of the Russian IN-14 Nixie tubes stopped glowing. Replaced tubes several times and the same thing happened over time. They are very impressive when working though.
 
 Return to top of page · Post #: 17 · Written at 9:04:14 AM on 22 December 2018.
Fred Lever's Gravatar
 Fred Lever
 Location: Toongabbie, NSW
 Member since 19 November 2015
 Member #: 1828
 Postcount: 1313

Gee, a couple of months is not much.
The ITT tubes in my counter were used every day for about 10 years and they still light up on test today.
I have 165 volt applied to the tubes and there is a current limit resistor between them and the 7441 chips of 33k.

Fred
 
 Return to top of page · Post #: 18 · Written at 5:01:38 PM on 29 December 2018.
Ronsradio's Gravatar
 Ronsradio
 Location: Geelong, VIC
 Member since 3 March 2012
 Member #: 1103
 Postcount: 46

Chaps, check out ..BAD DOG DESIGNS.COM, this guy is making some beautiful nixie clocks, you'll see mine under his projects page..rons radio clock..enjoy
 
 Return to top of page · Post #: 19 · Written at 7:22:27 AM on 30 December 2018.
Marcc's avatar
 Marcc
 Location: Wangaratta, VIC
 Member since 21 February 2009
 Member #: 438
 Postcount: 5389

I built the 78 Version counter & still have it & likely the paperwork hoarded. with other instruction manuals etc. Even have the delivery docket for the Farms 1958 MKII Zephyr and it (still registered).

The counter I have did have issues, it was supplied with a dud chip and the High Frequency chip & circuit tended to be an issue and never really worked. It has a digital display & one unit of the 7 is dodgy. So it is possibly earlier, albeit I remember a clock more recent than this.
 
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