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Old 12th April 2005, 10:02 AM   #1
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Default soon available as wrist watch.....

i'm so sorry it's not really on-topic but this is such a beauty i just wanted to share.....

Here you go for a digital clock!
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Old 12th April 2005, 10:56 AM   #2
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Yeah, I've posted that picture on a few other forums as well!

The original source is here:
http://www.jogis-roehrenbude.de/Lese...Roehrenuhr.htm

50A of heater current!

EDIT:

Oh, I have read that this person's next project is a copy of a Tektronix TEK570 curve tracer, and is looking for several valves and offering Siemens rotary switches in exchange.

For those who read German:
http://www.f23.parsimony.net/forum45...ges/119617.htm
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Old 12th April 2005, 10:59 AM   #3
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I've always wanted a nixie clock, but I've never seen them for sale in the UK apart from odd pairs on Ebay. Oh, and valves scare me...
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Old 12th April 2005, 11:05 AM   #4
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Default Nixie clocks

I made one in '68 when TTL was new! The only tubes are the 6 nixies and a glass tubed 1MHz crystal.
I think I still have it amongst my junk. Must sort it out and "oil it". Will post a pic.
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Old 12th April 2005, 11:40 AM   #5
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pm, tubes are harmless as long as you don´t smash them
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Old 12th April 2005, 06:50 PM   #6
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Indeed a beauty it is !

mmmmmm...... but isn't it a waste of tubes to ?

Imagine howmany preamps you can make with this amount

Dick.
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