Inventions from 1900 to 1930 That Changed the World We Live In By teachwell74 Period: Jan 1, 1900 to Jan 1, 1930 Inventions from 1900 - 1930 That Changed the World We Live In May 2, 1901 Vacuum Cleaner Dec 23, 1901 Disposable Razor Blade Apr 4, 1902 Air Conditioner Aug 24, 1903 Airplane, Controlled Powered Feb 13, 1904 Tractor Jul 10, 1906 Sonar Mar 4, 1907 Washing Machine, Electric Aug 17, 1907 Helicopter Jul 10, 1908 Cellophane Aug 2, 1910 Thermojet Engine Dec 2, 1910 Neon Lighting Mar 4, 1913 Parachute Apr 25, 1913 Bra May 24, 1913 X-Ray Sep 14, 1913 Stainless Steel Sep 16, 1913 Radio Receiver Feb 2, 1914 Tank Jan 30, 1916 Thompson Submachine Gun Apr 8, 1917 Cruise Missile Oct 9, 1920 Band-Aid Jun 12, 1922 Radar Jul 15, 1922 Sound Film Nov 20, 1922 Refrigerator, Absorption Jun 7, 1925 Television Jul 10, 1928 Antibiotics Jan 1, 1929 Man-Made Insulin
