From Boing Boing Gadgets, here is a video about the Curta — an incredibly beautiful, hand-cranked mechanical calculator. The video shows it in action, in all its magic and elegance, including its inner workings. Apparently, the Curta was invented in the early 1940s by a prisoner at a concentration camp. It can do all kinds of things, just like your average pocket calculator, but with satisfying clicks instead of the cold silence of the digital screen.
Very sadly, they haven’t been made for over thirty years.
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