That’s interesting that the HP had European tubes in it, I guess someone replaced them at some point
> On Oct 15, 2022, at 10:26 AM, Paolo Cravero <[email protected]> wrote: > > > Good finds, Martin! > This morning at a small hamfest I had my share of luck too. An HP 3734A was > being sold "just for the (5) Nixies" at €20. It uses ZM1022, it's an HP, I > don't have HP gear: I bought it. > > When we came home I could appreciate how physically damaged the unit was. > It's like it fell on the top right corner and the whole chassis is deformed. > The fuses were both intact so I plugged it in. I got it for the tubes, no?! > Surprise surprise, it lit up! The frequency and period counter functions > don't work, but the impulse counter does! The clock generator large crystal > might have been broken in the fall?! All digits work as well as "dot" neon > bulbs. > > I am more and more convinced that it could be restored and become a counter > of some sort. All boards are plug-in, so I should be able to straighten the > chassis without adding stress to PCBs. Important missing parts can be 3D > printed. Now looking for the schematic diagram... > > Paolo > > >> On Sat, Oct 15, 2022 at 3:45 PM martin martin <[email protected]> wrote: >> Hello all, >> >> Picked up these two interesting item late Friday afternoon. $20! >> The clock is beautiful VFD from an old X-10 system. >> The Heathkit does power up. Soon to be checked out! >> >> >> -- >> 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 view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/a78b7eeb-cb39-4311-9ef2-0c1ca776df70n%40googlegroups.com. > > -- > 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 view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/CABj2VaatAcdL23kqatTonEmeh%2B7JdvrHzKdgTD4-UXePtb%3DJKA%40mail.gmail.com. > <HP-3734A-20221015-01.jpg> > <HP-3734A-20221015-03.jpg> > <HP-3734A-20221015-02.jpg> > <HP-3734A-20221015-04.jpg> -- 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 view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/809B7DDE-19BF-40BB-B9AB-E354999C9B6F%40gmail.com.
