Good news, I've searched for data by googling iv-29 in russian letters (ив-29). The results are: [image: 5403239.jpg]
It seems that grid is internally connected to anode (makes sense, however it prevents from using it as a triode - yes, some people actually did that and there was someone who build a radio receiver on VFD tubes). W dniu niedziela, 14 maja 2017 03:20:56 UTC+2 użytkownik Mark03 napisał: > > Several years ago I purchased two IN-28 and two IV-29 from a gentleman in > Ukraine. The IN-28s I used in a Nixie clock project, but the IV-29s are > still sitting in my tube collection. If I had any data at the time, I've > since lost it, and careful googling doesn't offer any hints. The IV-29 > does not appear in Dieter's data archive. > > Clearly someone knows how to light up a IV-29, as there are modern photos > of it glowing a pretty turquoise. Does anyone here know the pinout, or > better yet, have an actual datasheet? > > Thanks, > Mark > > -- 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/e0dfa4c3-e001-43ed-aa33-53047c86e2df%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.