IBM 002 Port-A-Punch
|IBM Model 002 Port-A-Punch, circa 1958
Okay, so this isn't really a keypunch, but it was used to punch cards.
Port-A-Punch was introduced in 1958, and allowed users to
punch special pre-scored cards in the field with a metal-tipped stylus.
Each pre-scored card could have up to 40 columns, instead of the usual 80.
The cards could then be sent to the home office, for input to a card reader.
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Last updated on
Tuesday, July 22, 2014