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Top 10 Decade Defining Technologies: 1920s

It doesn't have to be invented in the era just become popular or became common in the era
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    1Films with synchronized sound suggested byzendaddy621

  • 2Home refridgerators / Freon suggested byMovie Maus

  • 3Pachinko suggested byMovie Maus

  • 4Talkies suggested byDirector22

  • 5Hearing Aids suggested byNorris Vaughn

  • 6Geiger Counter suggested byNorris Vaughn

  • 7Radio suggested byzendaddy621
    The Radio was invented MUCH earlier then the 1920s, it just became commonplace in this era

  • 8Hair Dryers suggested byNorris Vaughn

  • 9The Submachine Gun suggested byNorris Vaughn

  • 10Televison suggested byNorris Vaughn
    Yes, television was invented in the 1920s, but it didn't become a household thing until the postwar era (late 1940s-early1950s)...

  • 11Liquid Rocket Fuel suggested byNorris Vaughn

  • 12The Pop-Up Toaster suggested byNorris Vaughn

  • 13Air conditioning (large buildings) suggested byzendaddy621
    Invented in 1902

  • 14The Iron Lung suggested byNorris Vaughn

  • 15Insulin suggested byNorris Vaughn

  • 16aerosol sprays suggested byNorris Vaughn

  • 17penicillin suggested byNorris Vaughn

  • 18Automobile suggested byLOATC
    Invented much earlier

  • 19Robots suggested byNorris Vaughn

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