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Demonstrated
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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