Jim asked in Arts & HumanitiesHistory · 9 years ago

what inventions were made in the 1920's?

3 Answers

  • weirdo
    Lv 6
    9 years ago
    Favorite Answer

    Radio/Television Transmission (1920)

    Traffic Lights (1920)

    Band-Aid (1920)

    Hair Dryer (1920)

    Lie Detector (1921)

    Rocket (1926)

    Penicillin (1928)

    Frozen Food (1929)

    Car with Combustion Engine (around 1920)

    Artificial life begins -- the first robot built. 1921

    Insulin invented by Sir Frederick Grant Banting. 1922

    The first 3-D movie (spectacles with one red and one green lens) is released. 1922

    The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin. 1923

    John Harwood invented the self-winding watch. 1923

    The dynamic loudspeaker invented by Rice and Kellogg. 1924

    Notebooks with spiral bindings invented. 1924

    The mechanical television a precursor to the modern television, invented by John Logie Baird. 1925

    Eduard Haas III invents PEZ candy. 1927

    JWA Morrison invents the first quartz crystal watch. 1927

    Philo Taylor Farnsworth invents a complete electronic TV system. 1927

    Technicolor invented. 1927

    Erik Rotheim patents an aerosol can. 1927

    Warren Marrison developed the first quartz clock. 1927

    Philip Drinker invents the iron lung. 1927

    Bubble gum invented by Walter E. Diemer. 1928

    Jacob Schick patented the electric shaver. 1928

    American, Paul Galvin invents the car radio. 1929

    Hope this helps.

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  • 3 years ago

    Inventions 1920

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  • Anonymous
    5 years ago

    This Site Might Help You.


    What inventions were made in the 1920's?

    Source(s): inventions 1920's: https://knowledge.im/?s=inventions+1920's
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