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The Industrial Thirties

Science and inventions during the 1930s

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20th century

20th century invention polaroid camera

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1930

  • Scotch tape patented by 3M engineer, Richard G. Drew.
  • The frozen food process patented by Clarence Birdseye.
  • Wallace Carothers and DuPont Labs invents neoprene.
  • The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.
  • Frank Whittle and Dr Hans von Ohain both invent a jet engine.

1931

1932

  • Polaroid photography invented by Edwin Herbert Land.
  • The zoom lens and the light meter invented.
  • Carl C. Magee invents the first parking meter.
  • Karl Jansky invents the radio telescope.

1933

1934

  • Englishmen, Percy Shaw invents cat eyes or roads reflectors.
  • Charles Darrow claims he invented the game Monopoly.
  • Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording.

1935

1936

  • Bell Labs invents the voice recognition machine.
  • Samuel Colt patents the Colt revolver.

1937

1938

  • The ballpoint pen invented by Ladislo Biro.
  • Strobe lighting invented.
  • LSD was synthesized on November 16, 1938 by Swiss chemist Albert Hofmann of Sandoz Laboratories.
  • Roy J. Plunkett invented tetrafluoroethylene polymers or Teflon.
  • Nescafe or freeze-dried coffee invented.
  • The first working turboprop engine.

1939

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