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The Roaring Twenties

What was invented during the time period called "roaring twenties"

By

20th century robert goddard

20th Century Rocket Scientist Robert Goddard

LOC

1920

  • The tommy gun patented by John T Thompson.
  • The Band-Aid (pronounced 'ban-'dade) invented by Earle Dickson.

1921

  • Artificial life begins -- the first robot built.
  • John Larson invented the lie detector.

1922

1923

1924

  • The dynamic loudspeaker invented by Rice and Kellogg.
  • Notebooks with spiral bindings invented.

1925

  • The mechanical television a precursor to the modern television, invented by John Logie Baird.

1926

1927

  • Eduard Haas III invents PEZ candy.
  • JWA Morrison invents the first quartz crystal watch.
  • Philo Taylor Farnsworth invents a complete electronic TV system.
  • Technicolor invented.
  • Erik Rotheim patents an aerosol can.
  • Warren Marrison developed the first quartz clock.
  • Philip Drinker invents the iron lung.

1928

1929

  • American, Paul Galvin invents the car radio.
  • Yo-Yo re-invented as an American fad.
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