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 ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. IBM sometimes used punch cards to ...

Since the machines were leased, not sold, the Nazi regime had to keep on paying for them throughout the Holocaust years. The profits were enormous. Invoices for every machine and punch card went from ...

The punch card, the first way to program a machine, turned 300 this year. The first semi-automatic loom was created in Lyon as early as 1725. To commemorate this, we have taken the liberty of updating ...