I just bought this vintage nixie tube calculator for 50 bucks, beautiful piece of electronic engineering : r/electronics
GitHub - project705/nixie: RaspberryPi Nixie Tube Calculator Clock w/Android Control
Nixie Tube Calculator - 1972 Monroe 620 - Repair and Demo
Calculation of Volume of the Shell of a Tube or Pipe
Nixie Tubes! | A Collection of Mechanical Calculators
Found this incredible vintage Facit nixie tube calculator. Still works perfectly and I love the vibe it has. Not really sure what I'm gonna do with it so feel free to dm
Desk calculators with electron tubes - technikum29