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/CAJD4P-gdNcRPGb2cfkFcM7AUoMdjJSq-hCzwbW6xrhM-eP10%2Bg%40mail.gmail.com.
