sorry for duplicate photos, mobile problems. Based on a custom PCB for an IV-9 tube clock I designed years ago...now wired up to standard 9-pin valve sockets with much larger DR2000 tubes in them!
On Monday, August 17, 2020 at 10:32:26 AM UTC-4, celzey11 wrote: > > Next clock: RCA DR2000 Numitron tubes! > -- 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/4e94fad8-e34f-4bbe-9c8a-ef75e53952d7o%40googlegroups.com.
