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KEYWORDS: Technology & Equipment

Results: 121 - 130 of 312 total   Next

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Date Format Image Collection
August 24, 1814 Correspondence    Document
April 17, 1927 Correspondence    Document
April 27, 1927 Correspondence    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 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
October 22, 1861 Government Document    Document
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