From the early 20th century into the 1970s, Americans used punched cards to enter data onto tabulating equipment and then electronic computers. This early key-operated punch is based on patents of the ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This electrotype printing block is ...
The recent Supercon 6 badge, if you haven’t seen it, was an old-fashioned type computer with a blinky light front panel. It was reminiscent of an Altair 8800, a PDP-11, or DG Nova. However, even back ...
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