That's super cool! B
On Wednesday, February 2, 2022 at 3:17:26 PM UTC-7 [email protected] wrote: > Sweet, I like it. > > On Wed, Feb 2, 2022 at 4:09 PM Jon <[email protected]> wrote: > >> With the kind assistance of Nick, I recently got my hands on rather a >> rare bird - the Chatham Electronics CH1047. It's a big tube with a B14A >> base, rather ugly to my eyes, but very interesting nonetheless. Made for a >> short period in the mid 1950s, the internal construction is quite different >> to other counting tubes, though the operating mechanism is essentially that >> used in the Western Electric 6167. It's a base 10 selector with directional >> cathodes and transfer electrodes, so only spins in one direction. And it >> glows a rather fetching purple colour... >> >> Attached are a couple of photos showing an overview of the tube, and also >> the glow resting on one cathode. Using my Dekatron Explorer unit (modular >> universal dekatron tester), I was able to spin the tube up to about 2000 >> pulses per second - a slow speed spin is shown in the linked Youtube >> video <https://youtu.be/U5E0bqB0UCA> (apols for the quality - it was a >> quick hack movie on my phone). >> >> Jon. >> >> >> -- >> 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/3d107686-2144-4cd1-9487-bddf344cd782n%40googlegroups.com >> >> <https://groups.google.com/d/msgid/neonixie-l/3d107686-2144-4cd1-9487-bddf344cd782n%40googlegroups.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 [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/b6065358-88be-485b-9340-e0c306a80520n%40googlegroups.com.
