Collection

Herman Hollerith 1860 - 1929

occupation:
Inventor
Nationality:
American
born in:
Buffalo, Erie county, New York state, United States
Made:
Washington

Inventor of electromechanical sensing and punching devices that were forerunners of the input/output units of later computers. 1896 - Founder of Tabulating Machine Company, Washington DC. 1911 – following various consolidations, the Computing Tabulating Recording Company (CTR)-IBM's predecessor-is formed.

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Punch card for Hollerith punch card machine (punched card)

Punch card for Hollerith punch card machine (punched card)

Punch card for a Hollerith punch card machine (punched card)

Punch card for Hollerith punch card machine (punched card)

Hand key punching machine (punching machine)

Accessories for Hollerith printing and listing tabulating machine, c. 1925. (tabulators)

Sorter 45 colmn round hole (sorter)

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