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Last Updated: September 29, 2026
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Provided to YouTube by The Orchard Enterprises Before calculators, but after fingers and toes, this is a lovely example of a mechanical In this video I demonstrate some basic mathematics on an old 1950's mechanical Here is a really neat Underwood adder from the sixties that I got from goodwill for $15! Pretty neat So here's a little short and sweet update on random stuff, I'm not dead! Sorry for the delays in responding to comments and stuff, ... This was not a video I thought I would be making but I ended up liking this thing a lot more than I would have guessed! This is a ... In this video I start work repairing an
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