I'd personally recommend you be a part of your neighborhood rescue squad or VFD in case you’re concerned about people not coming that can assist you.  My PVS14 is really an L3 thin film that has a photocathode sensitivity of 2500uA/lm, I've observed loads of unfilmed tubes hover about 2000uA/lm. I don't suspect that my skinny filmed tube sees wh… Read More