[John Graham-Cumming] might not be the first person to thumb through an old book and find an IBM punched card inside. But he might be the first to actually track down the origin of the cards.

(1) See loyalty punch card. (2) An early storage medium made of thin cardboard stock that held data as patterns of punched holes. Also called "punched" cards, each of the 80 or 96 columns held one ...

Punch cards have been used to control the operation of machinery from the early nineteenth century, when the Frenchman Joseph Marie Jacquard patented an attachment to a loom in which a series of ...

Punch cards have been used to control the operation of machinery from the early nineteenth century, when the Frenchman Joseph Marie Jacquard patented an attachment to a loom in which a series of ...

[Tymkrs] had a robot paper cutter, so naturally they made punch cards. But then, of course, they needed a punch card reader, so they made one of those too. All with stuff lying around the shop.

A punch-card data entry machine. A deck of blank cards was placed into a hopper, and, upon operator command, the machine fed one card to a punch station. As characters were typed, a series of dies ...