2012 Event In Dublin, an estimated crowd of 10,000 protesters demonstrated against austerity and called for a general strike to shut down the country 1955 Event 1st solar automobile demonstrated, Chicago, Illinois 1951 Event 1st X-ray moving picture process demonstrated 1949 Event Gas turbine-electric locomotive demonstrated, Erie Pa 1948 Event Facsimile high-speed radio transmission demonstrated (Washington D.C.) 1947 Event Radar for commercial and private planes 1st demonstrated 1947 Event Lens to provide zoom effects demonstrated in New York City 1947 Event 1st instant developing camera demonstrated in New York City, by E H Land 1942 Event 1st self-sustaining nuclear chain reaction demonstrated, Chicago 1940 Event 1st electron microscope demonstrated (RCA), Philadelphia, Pa 1940 Event RCA demonstrated its new electron microscope in Philadelphia 1939 Event 1st jet plane, Heinkel He 178, demonstrated to German Air Ministry 1935 Event RADAR-Radio Detection and Ranging 1st demonstrated (Robert Watson-Watt) 1931 Event 1st LP record demonstrated (RCA Victor, New York City), venture failed 1929 Event Loetafoon celluloid film system demonstrated in Amsterdam 1926 Event Television 1st demonstrated (J L Baird, London) 1909 Event Colored moving pictures demonstrated at Madison Square Garden, New York City 1906 Event Dr. Lee DeForest demonstrated his electrical vacuum tube (radio tube) 1897 Event 1st submarine with an internal combustion engine demonstrated 1896 Event Vitascope system of movie projection 1st demonstrated (New York City) 1892 Birthday George Thomson, demonstrated electron diffraction, Nobel 1937 1879 Event Tom Edison privately demonstrated incandescent light at Menlo Park
