The IBM 029 keypunch mechanical keyboard: insanely complicated!

I am repairing the mother of all mechanical keyboards: the IBM 029 keypunch keyboard. And when I say mechanical, I really mean it! See a quick demo of my restored IBM 029 punch:    • 1964 IBM 029 Keypunch Card Punching Demons...   Ken's blog article on how it works: http://www.righto.com/2017/12/repairi... Our sponsors PCBWay: fast turn PCBs, https://www.pcbway.com Electro-Rent: https://www.electrorent.com Keysight: test instruments: https://www.keysight.com Samtec: connectors: https://www.samtec.com R&D Microwaves: https://rdmicrowaves.com Support the team on Patreon:   / curiousmarc   Buy our merch on Teespring: https://teespring.com/stores/curiousm... Get more info on the companion site: https://www.curiousmarc.com Contact info: https://www.youtube.com/curiousmarc/a...