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  1. Tabulating machine - Wikipedia

    The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was …

  2. Tabulating Machine - History-Computer

    May 23, 2025 · A tabulating machine working is based on reading one punch card at a time, then printing sections (fields) of the punch card on fan-fold paper, rearranging them, and then …

  3. From Herman Hollerith to IBM | National Museum of American …

    By 1887 he had devised a tabulating system that included cards, a special punch for making holes in them at select locations to represent Census data, a tabulator that counted data on the …

  4. The punched card tabulator - IBM

    Hollerith’s punched card tabulator, developed in the 1880s, eased the administrative burden of hand-counting the population in a country whose numbers were exploding.

  5. Tabulating Machines - Office Museum

    In order to count or sort cards, cards were inserted manually into the reader one at a time. Cards were read by pins that passed through the holes to complete electric circuits. When a pin …

  6. Tabulating Machine - History Tools

    Mar 25, 2024 · It was in this context that the American inventor Herman Hollerith created a breakthrough innovation – the tabulating machine. Over the next quarters century, this …

  7. Herman Hollerith | Biography, Tabulating Machine, & Facts

    Herman Hollerith (born February 29, 1860, Buffalo, New York, U.S.—died November 17, 1929, Washington, D.C.) was an American inventor of a tabulating machine that was an important …

  8. Herman Hollerith - Wikipedia

    Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for …

  9. How Herman Hollerith Helped Launch the Information Age

    How Herman Hollerith Helped Launch the Information Age With his tabulating machine, the Columbia-trained statistician transformed everything from census counts to election tallies, …

  10. Tabulating machine explained

    The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched card s. Invented by Herman Hollerith, the machine was …