I’ve gotten interested in mechanical computing devices and I’ve known about this one for years. It was an IBM hexadecimal adder from the 1960’s. I couldn’t resist bidding for it on Ebay.
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I’ve gotten interested in mechanical computing devices and I’ve known about this one for years. It was an IBM hexadecimal adder from the 1960’s. I couldn’t resist bidding for it on Ebay.
