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Re: [TCML] Nixie tube at 300 000 volts



Odd that the cathode poisoning increased. The reccomended procedure for that
is to run the tube at an increased current to clear the poisoning. I would
have thought that it might have made it better but not make it worse.

Anyway, glad you tried it and you didn't kill a nixie.

Jonathan
----- Original Message ----- From: "Gerekos Christopher" <gerekos.christopher@xxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Monday, April 15, 2013 2:08 PM
Subject: Re: [TCML] Nixie tube at 300 000 volts


Thank you for your reply. I tried with an old but still working nixie, and
it was really awesome indeed. One of the digits suffered only from minor
increase in -already present- cathode poising. I've uploaded seven new
pictures on the same album.

Cheers,

Christopher

2013/4/14 Jonathan Peakall <jpeakall@xxxxxxxxxxxx>

I have done this with a live Nixie with no ill effects. I didn't let it
get really hot though. Was very cool looking. The tube is still
functioning
fine.

Jonathan




On 4/14/2013 12:39 PM, Gerekos Christopher wrote:

Hi all,

I accidentally broken the glass hull of one of my nixie tubes while
working
on my clock. So I tried to figure out how to give it a second life. And
here are the results !
https://picasaweb.google.com/**gerekos.christopher/**NixieTubeAt300000V<https://picasaweb.google.com/gerekos.christopher/NixieTubeAt300000V>

Well, we all agree it would have been much more interesting to do this
on
a
working tube (with the gas mixture still inside), but I'm afraid this
would
have fatally damaged it (wouldn't it ?). The fact is that the nixie was
really hot after the experiement (no surprise here) and these little
things
were -understandably- not made to withstand this.

Yet the fine, intricate sparks the mesh anode produced are quite
beautiful.

Cheers,
Chris Gerekos
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