Hollerith tabulator which used a punched card memory system. First used in the US census of 1890. Engraving, Paris, 1894

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Size: 4938px × 3539px
Photo credit: © Universal History Archive/UIG/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1890, 1894, calculator, card, census, computer, engraving, hollerith, mathematics, memory, paris, punched, system, tabulator