Hollerith 001 Mechanical Card Punch

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Admiral Shark's Keyboards (CC BY-NC-SA 4.0)

1901 Q2 Early Card Punch device More info on this keyboard

aka IBM 001 Mechanical Card Punch

First patented in 1901, the Hollerith/IBM 001 was the first keypunch (ie, first card punch that operated from keyboard input of some kind).

Sources

ASK. Admiral Shark's Keyboards original content. License/note: CC BY-NC-SA 4.0.

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