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Demonstrated
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1955 1st solar automobile demonstrated, Chicago, Illinois
1951 1st X-ray moving picture process demonstrated 1949 Gas turbine-electric locomotive demonstrated, Erie Pa 1948 Facsimile high-speed radio transmission demonstrated (Washington D.C.) 1947 Radar for commercial and private planes 1st demonstrated 1947 Lens to provide zoom effects demonstrated in New York City 1947 1st instant developing camera demonstrated in New York City, by E H Land 1942 1st self-sustaining nuclear chain reaction demonstrated, Chicago 1940 1st electron microscope demonstrated (RCA), Philadelphia, Pa 1940 RCA demonstrated its new electron microscope in Philadelphia 1939 1st jet plane, Heinkel He 178, demonstrated to German Air Ministry 1935 RADAR-Radio Detection and Ranging 1st demonstrated (Robert Watson-Watt) 1931 1st LP record demonstrated (RCA Victor, New York City), venture failed 1929 Loetafoon celluloid film system demonstrated in Amsterdam 1926 Television 1st demonstrated (J L Baird, London) 1909 Colored moving pictures demonstrated at Madison Square Garden, New York City 1906 Dr. Lee DeForest demonstrated his electrical vacuum tube (radio tube) 1897 1st submarine with an internal combustion engine demonstrated 1896 Vitascope system of movie projection 1st demonstrated (New York City) 1892 George Thomson, demonstrated electron diffraction, Nobel 1937 1879 Tom Edison privately demonstrated incandescent light at Menlo Park |
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