> I don't think there would be any need to add helium, hydrogen, or even > krypton-85 to *indicator* tubes.
Helium and hydrogen no, but some 5092s had Kr85 for rapid ionization for multiplexed use. Discussion on this list from 2010: https://groups.google.com/forum/#!topic/neonixie-l/cKkyRyaGOGI - John -- 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 neonixie-l+unsubscr...@googlegroups.com. To post to this group, send an email to neonixie-l@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/03EA71F3-E669-4654-A5F0-E947D0CF198E%40mac.com. For more options, visit https://groups.google.com/d/optout.
