but those never really caught on to the same scale as the classic 80-column card. To punch a number on the card, a machine made a hole in one of the bottom 10 columns. So a hole in the “1” row ...

[digitaltrails] wanted the data on a few old IBM 80-column punch cards he had lying around, but didn’t have decades old computer hardware in his garage. He decided to build his own out of LEGO ...

As characters were typed, a series of dies at the punch station punched the appropriate holes in the selected card column. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires ...