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