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Hollerith 1890 tabulating machine with sorting box. [a] Hollerith punched card. The tabulating machine was an electromechanical machine designed to assist in summarizing information stored on punched cards. Invented by Herman Hollerith, the machine was developed to help process data for the 1890 U.S. Census.
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.
1915 Powers Tabulating Machine Company establishes European operations through the Accounting and Tabulating Machine Company of Great Britain Limited. [26] [8]: 259 [27] 1919: Fredrik Rosing Bull, after studying Hollerith's machines, constructs a prototype 'ordering, recording and adding machine' (tabulator) of his own design. About a dozen ...
IBM 80 Electric Punched Card Sorting Machine, model 1, Introduced by IBM in 1925, 450 cards per minute. [3] This sorter was almost twice the speed of the older Hollerith 70 vertical sorter and used an entirely new magnetically operated horizontal design. At the close of 1943, IBM had 10,200 of these units on rental.
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.
In the first commercial electronic data processing Hollerith machines were used to compile the data accumulated in the 1890 U.S. Census of population. [4] Hollerith's Tabulating Machine Company merged with two other firms to form the Computing-Tabulating-Recording Company, later renamed IBM. The punch-card and tabulation machine business ...
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 ...
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).