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INVENTIONS AND DISCOVERIES:

Posted by classiindia on April 23, 2010

INVENTIONS AND DISCOVERIES:

Adding Machine – 1642 – Inventor: Blaise Pascal (France)
(1623-62). Earliest commerical machine invented by William Burroughs (U.S)
in St. Louis Missouri in 1885.

Adderssograph , 1893 , Inventor: J.S.Duncan (U.S) . Manufactured in Chicago, Illinois.

Airplane , 1903. Inventors: Orville Wright (1871-1948) and Wilbur Wright (1867 – 1912) , (U.S) Kitty Hawk, North Carolian.

Airship , (non -rigid), 1852. Inventor: Henri Giffard (France) (1825-82) Steam-powered propeller flew over Paris (1852).

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