Historical Computer Engineering - Punchcard
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Punchcard

Machines

When punch cards began their march of vicory in the world and have been used in many domains of busines, the machines to process those grew to implement even more funcitons which will be executed even faster. But there have been two units allmost every machine posessed: the card reader and the card puncher. We will presentyou those two main parts and five further machines for processing punched cards.

a repair device for punched tapes