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The tabulating machine was an electromechanical machine designed to assist in summarizing information ... When read by the tabulating machine to create invoices, the ...
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.
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 ...
The British Tabulating Machine Company (BTM) was a firm which manufactured and sold Hollerith unit record equipment and other data-processing equipment. During World War II , BTM constructed some 200 " bombes ", machines used at Bletchley Park to break the German Enigma machine ciphers.
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.
A second machine was also developed by W. W. Lasker, to automate printing results. [2] Powers secured a patent for his version of the tabulating machine, which allowed him to later create a business around the technology he had invented. [3] A prolific inventor, he did not restrict himself to office machinery.
Charles Babbage knew of Jacquard machines and planned to use cards to store programs in his Analytical Engine. In the late 19th century, Herman Hollerith took the idea of using punched cards to store information a step further when he created a punched card tabulating machine which he used to input data for the 1890 U.S. Census.
Willy Heidinger, an acquaintance of Hollerith, licensed all of Hollerith's The Tabulating Machine Company patents in 1910, and created Dehomag in Germany. [4] In 1911 The Tabulating Machine Company was amalgamated (via stock acquisition) with three others, creating a fifth company, the Computing-Tabulating-Recording Company (CTR).