Click to open image viewer. Replica of Punch Card used by the U.S. Bureau of the Census in 1900, Front CC0 Usage Conditions ApplyClick for more information. IIIF provides researchers rich metadata and ...
Punch cards have been used to control the operation of machinery from the early nineteenth century, when the Frenchman Joseph Marie Jacquard patented an attachment to a loom in which a series of ...
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