1956 Event Anti-Russian demonstrates in Stettin and Wroclaw Poland 1956 Event Ampex Corp demonstrates 1st commercial videotape recorder 1955 Event RCA demonstrates 1st music synthesizer 1951 Event Professor Youngblood demonstrates artificial heart in Paris 1951 Event Jongbloed in Paris demonstrates artificial heart 1948 Event Columbia commits to 33 1/3 rpm records, plans to phase out 78's as Dr. Peter Goldmark of CBS demonstrates "long playing record" 1943 Event NL Ford Frick demonstrates revised balata ball to reporters by bouncing it on his office carpet ball proves to be 50% livelier 1939 Event Ernst Heinkel demonstrates 800-kph rocket plane to Hitler 1938 Event Chester Carlson demonstrates 1st Xerox copying machine 1934 Event Rudolf Kuhnold demonstrates radar in Kiel Germany 1929 Event Dr. Vladimir K Zworykin demonstrates "kinescope" 1929 Event George Eastman demonstrates 1st technicolor movie in Rochester, New York 1928 Event Scottish inventor J. Blaird demonstrates color-TV 1927 Event Philo Farnsworth demonstrates 1st use of TV in SF 1923 Event Lee de Forest demonstrates his sound-on-film moving pictures (New York City) 1922 Event Henry Berliner demonstrates his helicopter to U.S. Bureau of Aeronautics 1918 Event Goddard demonstrates tube-launched solid propellant rockets 1915 Event Dutch SDAP demonstrates against conscription 1913 Event Ida B Wells-Barnett demonstrates for female suffrage in Washington D.C. 1911 Event Anthony Fokker's demonstrates aircraft "Snip" 1906 Event Karl Nessler demonstrates 1st 'permanent wave' for hair, in London 1888 Event John Reid of Scotland demonstrates golf to Americans in Yonkers, New York 1879 Event Thomas Edison demonstrates electric light 1879 Event Joseph Swan demonstrates light bulb using carbon glow 1877 Event Thomas A Edison demonstrates the gramophone 1877 Event Thomas Edison demonstrates hand-cranked phonograph 1870 Event Fred Goldsmith demonstrates curve ball isn't an optical illusion 1846 Event Dentist William T Morton demonstrates effectiveness of ether 1831 Event Michael Faraday demonstrates 1st electric transformer 1817 Event Karl Drais von Sauerbronn demonstrates bicycle course 1774 Event Andrew Becker demonstrates diving suit 1609 Event Galileo demonstrates his 1st telescope to Venetian lawmakers
