I got my first, green, three digit, vacuum tube display. And I'm going to keep it all together.
It's a '73, Sharp Elsi Mate EL-120 calculator. It had some corrosion on the gold traces on the back side of the PCBD which cleaned up pretty good. The capacitors look good, flat, no leakage. Haven't powered it up yet, and I'm hoping it works.
I'm on the look out for something with a NIXIE tube or tubes in it. Time will tell!
Thought I'd share
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