Speaking of keyboards...

I think anyone here who's worked on a TTY keyboard will appreciate this:
Repairing an IBM Mechanical Keyboard from the 1960s

BTW, if you're not familiar with Curious Marc, he's done a lot of interesting videos.  One of his biggest achievements (back in 2019) was restoring an Apollo Guidance Computer (AGC) to full working order.  For the hams on the list, he also got an Apollo S-band microwave link working in his lab.  He also has restored an ASR33 and a Model 15 - the ASR33 videos are particularly interesting and might be useful to someone working on a 33...