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  2. Tabulating machine - Wikipedia

    en.wikipedia.org/wiki/Tabulating_machine

    IBM Type 285 [12] tabulators in use at U.S. Social Security Administration circa 1936 Early IBM D11 tabulating machine, with covers removed Powers-Samas accounting machine. In its basic form, a tabulating machine would read one card at a time, print portions (fields) of the card on fan-fold paper, possibly rearranged, and add one or more ...

  3. IBM 402 - Wikipedia

    en.wikipedia.org/wiki/IBM_402

    The 402 could read punched cards at a speed of 80 to 150 cards per minute, depending on process options, while printing data at a speed of up to 100 lines per minute. The built-in line printer used 43 alpha-numerical type bars (left-side) and 45 numerical type bars (right-side, shorter bars) to print a total of 88 positions across a line of a report.

  4. Unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Unit_record_equipment

    1896: The Tabulating Machine Company founded by Hollerith, trade name for products is Hollerith; 1901: Hollerith Automatic Horizontal Sorter [17] 1904: Porter, having returned to England, forms The Tabulator Limited (UK) to market Hollerith's machines. [18] 1905: Hollerith reincorporates the Tabulating Machine Company as The Tabulating Machine ...

  5. IBM 407 - Wikipedia

    en.wikipedia.org/wiki/IBM_407

    The IBM 407 Accounting Machine, introduced in 1949, was one of a long line of IBM tabulating machines dating back to the days of Herman Hollerith. It had a card reader and printer; a summary punch could be attached. Processing was directed by a control panel.

  6. Computing-Tabulating-Recording Company - Wikipedia

    en.wikipedia.org/wiki/Computing-Tabulating...

    The Computing-Tabulating-Recording Company (CTR) [1] was a holding company of manufacturers of record-keeping and measuring systems; it was subsequently known as IBM.. In 1911, the financier and noted trust organizer Charles R. Flint, called the "Father of Trusts", amalgamated (via stock acquisition) four companies: Bundy Manufacturing Company, International Time Recording Company, the ...

  7. Dehomag - Wikipedia

    en.wikipedia.org/wiki/Dehomag

    Tabulating machine D11, the first universal numerical tabulating machine. Such machines were used by the Nazi German administration in organizing documents related to the Holocaust. As an IBM subsidiary, Dehomag became the main provider of computing expertise and equipment in Nazi Germany. [6]

  8. Category:IBM unit record equipment - Wikipedia

    en.wikipedia.org/wiki/Category:IBM_unit_record...

    Pages in category "IBM unit record equipment" ... IBM Electromatic Table Printing Machine; P. Plugboard; T. Tabulating machine

  9. Herman Hollerith - Wikipedia

    en.wikipedia.org/wiki/Herman_Hollerith

    Herman Hollerith (February 29, 1860 – November 17, 1929) was a German-American statistician, inventor, and businessman who developed an electromechanical tabulating machine for punched cards to assist in summarizing information and, later, in accounting.