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KEYWORDS: Hollerith Tabulator

Results: 1 - 11 of 11 total  

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Date Format Image Collection
August 30, 1890 Article    Document
August 30, 1890 Cover  Cover of Scientific American magazine, showing men and women working on census data using Hollerith Tabulator and its punch cards. Visual Still
October 12, 1899 Article    Document
October 12, 1899 Engraving  Desk for working on punch cards. Visual Still
October 12, 1899 Engraving  Man sitting at desk receiving sorted punch cards, Visual Still
October 12, 1899 Engraving  A mechanism for counting, a numbered dial on front. Visual Still
October 12, 1899 Engraving  Mechanism with punch on a lever. Visual Still
October 12, 1899 Engraving  Mechanism for punching cards on table. Visual Still
January 29, 1901 Letter    Document
January 30, 1901 Letter    Document
February 11, 1901 Letter    Document
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