1920s - Technology

Technology

• John Logie Baird invents the first working mechanical television system (1925). In 1928 he invents and demonstrates the first color television.
• Warner Brothers produces the first movie with a soundtrack Don Juan in 1926, followed by the first Part-Talkie The Jazz Singer in 1927, the first All-Talking movie Lights of New York in 1928 and the first All-Color All-Talking movie On with the Show, 1929. Silent films start giving way to sound films. By 1936, the transition phase arguably ends, with Modern Times being the last notable silent film.
• Charles Lindbergh becomes the first person to fly solo across the Atlantic Ocean (May 20–21, 1927), nonstop from New York to Paris, France.
• Karl Ferdinand Braun invented the modern electronic cathode ray tube in 1897. The CRT became a commercial product in 1922.
• Record companies (such as Victor, Brunswick and Columbia) introduce an electrical recording process on their phonograph records in 1925 (that had been developed by Western Electric), resulting in a more lifelike sound.
• Robert Goddard makes the first flight of a liquid-fueled rocket in 1926.
• The first electric razor was patented in 1928 by the American manufacturer Col. Jacob Schick.
• The first selective Jukeboxes being introduced in 1927 by the Automated Musical Instrument Company.
• Harold Stephen Black revolutionized the field of applied electronics by inventing the negative feedback amplifier in 1927.
• Clarence Birdseye invented a process for frozen food in 1925.