Technological Advancements in the 1920 By IForgotWhatIwasdoing 1908 Model T Automobile 1913 The Assembly Line Period: Jan 1, 1920 to Dec 31, 1929 1920s Nov 20, 1920 Broadcasting Jul 30, 1921 Refrigerator 1923 Instant Camera Nov 20, 1923 Traffic Signal Mar 16, 1926 Liquid Rocket 1927 Pressure Water Sep 7, 1927 Television 1936 Garage Door Opener
