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B.C. 1500 1600 1700 1800 1900 2000
 

Computer History - 1800's

Year Event
1804 Frances Joseph-Marie Jacquard completes his fully automated loom that is programmed by punched cards.
1820 Thomas de Colmar creates the first reliable, useful and commercially successful calculating machine.
1821 Charles Babbage invents the Difference Engine. 
1827 George Simon Ohm introduces Ohm's law in the book Die galvanische Kette, mathematisch bearbeitet.
1831 Joseph Henry of Princeton invents the first working telegraph.
1838 Samuel Morse invents a code (later called Morse code) that used different numbers to represent the letters of the English alphabet and the then digits.
1847 Siemens is founded.
1851 Western Union was founded.
1866 The first successful Trans-Atlantic cable is laid from Ireland to Newfoundland.
1868 Christopher Sholes invents the typewriter in the United States utilizing the QWERTY keyboard.
1871 Charles Babbage passes away October 18, 1871.
1875 Tanaka Seizo-sho is established in Japan and later merges with another company called shibaura Seisaku-sho to form Tokyo Shibarura Denki. Later this companys name is shortened to the company that we know today, Toshiba.
1876 Scottish-Canadian-American Alexander Graham Bell invents the telephone.
1877 The microphone is invented in the United States by Emile Berliner.
1880 ASME is founded.
1888 Eastman Kodak is founded.
1883 American Thomas Edison discovers the Edison effect, in which an electric current flows through a vacuum.
1885 American Telegraph and Telephone company (AT&T) is incorporated.
1888 Nikola Tesla patents the rotating field motor May 1, 1888 and later sells the rights to George Westinghouse. This invention helps create and transmit AC power and today is still a method for generating and distributing AC power. 
1888 William S. Burroughs patents a printing adding machine.
1896 Herman Hollerith starts the Tabulating Machine Company, the company later becomes the well-known computer company IBM (International Business machines).
1897 German scientist Karl Ferdinand Braun invents the Cathode-Ray Oscilloscope.
1898 Alcatel is founded.
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