Never. If the unused cathodes get poisoned, so be it. Won't see it, since they're never lit.
On Thursday, January 23, 2014 11:57:46 AM UTC-8, [email protected] wrote: > > I've been rotating the Burroughs 5092 tubes in my clocks yearly to > even-out the wear (sounds like car tires.....), but I'm inclined to do it > less often after reading about the recent IN-18 death that could have been > caused by stressing the pins. > > Has anyone done less-frequent rotations ? > -- 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 [email protected]. To post to this group, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/a2255583-6b34-42e9-af88-91066c0d4ec3%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
