Thanks Nick!
That's it!
Cold Cathode Glow Discharge Tubes
Author: G F Weston
June 1968
ISBN-13: 9780592027753
ISBN-10: 0592027759
Pages: 374
http://en.wikipedia.org/wiki/George_Weston_%28physicist%29
And:
there was another article:
"The Effect of Current and Pressure on the Impedance of Cold Cathode Glow
Discharge Tubes"
Author: G. F. Weston
"The variation of the impedance of glow discharge tubes with direct current
and pressure has been measured in the audio-frequency range. Providing the
glow completely covers the cathode, the reactive component at any one
frequency varies inversely as the current, whereas the resistive component
varies inversely as the square root of the current. No such simple laws are
found for the variation of impedance with pressure. However, if the
impedance is expressed in terms of ' self-inductance ' and ' degression time
' according to a theory proposed by van Geel, then simple relationships are
obtained both for pressure and current variations. The effect of cathode
material has also been investigated."
And here the old Neonixe mail from 2002 (9 years ago - but I was right):
http://www.neonixie.com/neonixie-list-archive/2500.html
it was from Jan - he had a copy for sale once.
I also had a copy as pdf, but I can't find it anymore.... ;-(
Dieter
----- Original Message -----
This does sound like the Weston book.
Nick
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