Inventions and Discoveries - XVII

Tank, Military : Sir Ernest Swinton, England, 1914.
Tape Recorder : Valdemar Poulsen, Denmark, 1899.
Teflon : DuPont, U.S.A., 1943.
Telegraph : Samuel F. B. Morse, U.S.A., 1837.
Telephone : Alexander Graham Bell, U.S.A., 1837.
Telephoe, Mobile : Bell Laboratories, U.S.A., 1946.
Telescope : Hans Lippershey, The Netherlands, 1608; (astronomical) Galileo Galilei, Italy, 1609; (reflecting) Isaac Newton, England, 1668.
Television : Vladimir Zworykin, U.S.A., 1923, and also kinescope (cathode ray tube) 1928; (mechanical disk-scanning method) successfully demaonstrated by J. L. Baird, Scotland, C. F. Jenkins, U.S.A., 1926; (first all-electric
television image) Philo T. Famsworth, U.S.A., 1927; (color, mechanical disk) Baird, 1928; (color, compatible with black and white) George Valensi, France, 1938; (color, sequential rotating filter) Peter Goldmark, U.S.A., first introduced, 1951; (color, compatible with black and white) commercially introduced in U.S.A., National Television Systems committee, 1953.