Four separate manuals concerning IBM Electric Punched Card Accounting Machines held together into a single tome. The first manual is Principles of Operation, Card Punch Type 24, Printing Punch Card ...

This key-driven, manual verifier has 15 black rubber keys. Twelve are for the 12 columns on a punch card. These are labeled from 0 to 9, X, and blank. Two other keys move the card one space, and the ...

The postponement of California's recall election because of old punch-card ballots raises pointed questions for many other states, with at least half still using outmoded equipment that critics say ...

WASHINGTON -- Punch-card voting machines, already threatened by public disfavor after the 2000 presidential election dispute, will suffer a knockout punch under a new election reform law, an Illinois ...

If you mention punch cards to most people, they’ll think of voting. If you mention it to most older computer people, they’ll think of punching programs for big computers on cards. But punched cards ...

Computing used to run on punch cards. Great stacks of cards would run middling programs, with data output onto more punched cards in turn. [Nii] has built a machine in this vein, capable of punching ...