1930's

  • base guitar

    base guitar
    Pual Tutmarc invented the first base guitar. It was designed to be held horizotally
  • Period: to

    1930's

  • frozen food

    frozen food
    The first frozen food is sold.Clarence Birdseye was the creator, and is considered to be the founder of the modern frozen food industry.
  • live radio

    live radio
    CBS brodcasted the first live radio brodcast. It played the New York Philharmonic Orchestra was heard from Carnegie Hall
  • tape recorder

    tape recorder
    Joseph Begun invents the first tape recorder. This recorded sounds and other vibrations.
  • nylon

    nylon
    Nylon was invented by Wallace Carothers. Nylon is a tough, lightweight, elastic material that is in lots of outdoors clothes
  • telephone

    telephone
    the First round world telephone conversation.It went form New York to San Francisco, Indonesia, Holland, England, and back to New York.
  • First non-stop flight across the ocean

    First non-stop flight across the ocean
    first non-stop flight across the pacific ocean was done by Clyde Edward Pangborn. This was a huge accomplishment back then because than had not had planes for a long time, and many people have tried to do it
  • ball point pen

    ball point pen
    Ladislo Biro invented the first ball point pen. Had a free moving ball so the ink would flow freely
  • Breathalyzer

     Breathalyzer
    First breathalyzer invented. It was invented by R.N. Harger, and it was called the “dunkometer “. This has led to a decrease in drunk driving
  • helicopter

    helicopter
    Igor Sikorsky invents the first successful helicopter. This helped travel between place to place much easier
  • ABC computer

    ABC computer
    Atanasoff-Berry Computer, ABC, was created by Professor John Vincent Atanasoff and Cliff Berry built the first electrical computer. They used vacuum tubes for digital computation including binary math and boolen logic and had no CPU.