For much of the 20th century, data was entered into data processing machines using punched cards. This is a machine for punching such cards manufactured by International Business Machines Corporation ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results