> On Jul 19, 2021, at 11:40 PM, gregebert <[email protected]> wrote: > > There was yet another version that did not have each decimal-column in a > vertical line; instead there were odd and even columns, and the numbers > zig-zagged upwards as it counted. Such weirdness.
My counter with incandescent bulbs was arranged this way. Here's a similar model (with more modes than mine) using the more common neon lamps: https://youtu.be/2oj64aCgL48 Here's the full restoration story with lots of internal photos: http://www.rfcafe.com/miscellany/factoids/hp-5212a-electronic-counter-kirts-cogitation-302.htm It eventually sold for $130 with shipping on Ebay. I was holding out for $125. 8/ I have one of the modules. I'd love to hook it up to something like an Arduino for display purposes. I don't know what model it is because the sticker fell off. Terry Bowman, KA4HJH "The Mac Doctor" https://www.astarcloseup.com “...the book said something astonishing, a very big thought. The stars, it said, were suns but very far away. The Sun was a star but close up.”—Carl Sagan, "The Backbone Of Night", Cosmos, 1980 -- 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/9A4520E1-311B-4C50-8AEC-23D9ED2D804B%40gmail.com.
