When I saw this subject I was thinking of the Visoglow Neon Lightning Arrester that I bought NIB from Fair Radio Sales over 40 years ago. Never used it and only bought it for the novelty of a three terminal neon bulb in it. Found a picture of it online at https://www.picclickimg.com/DGgAAOSwC2ZkNzwb/RARE-Vtg-Neon-Gas-Radio-Lightning-Arrestor-Brach.webp.
On Monday, June 26, 2023 at 4:56:06 PM UTC-4 Nick Andrews wrote: > Am I reading that right, <5.5MBq in each tube? I have a couple of old > spark gap tubes with Cs-137 in them used to calibrate isotope identifiers I > have but being WWII vintage, likely not a uniform amount in each tube was > used. A pint spot on inside of the glass, but gas is likely easier to fill > more uniformly piece to piece. > > On Sat, Jun 24, 2023 at 11:56 PM Mac Doktor <themac...@gmail.com> wrote: > >> >> On Jun 25, 2023, at 12:21 AM, Nick Andrews <nickja...@gmail.com> wrote: >> >> Interesting. Bigger ones used in what? I have a box somewhere with old >> railroad lightning assessors. >> >> >> I was looking at these: >> https://www.aliexpress.us/item/3256804108987619.html >> >> >> Terry Bowman, KA4HJH >> "The Mac Doctor" >> >> https://www.astarcloseup.com >> >> "Every kid starts out as a natural-born scientist, and then we beat it >> out of them. A few trickle through the system with their wonder and >> enthusiasm for science intact."—Carl Sagan, *Psychology Today*, 1996 >> >> -- >> 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+...@googlegroups.com. >> > To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/3520BABE-5435-4817-A431-8E5188741A4B%40gmail.com >> >> <https://groups.google.com/d/msgid/neonixie-l/3520BABE-5435-4817-A431-8E5188741A4B%40gmail.com?utm_medium=email&utm_source=footer> >> . >> > -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/d2c5368e-c6e6-4b60-934b-3e09153cc46fn%40googlegroups.com.
