energy inventions

  • first electric battery

    first electric battery
    allessandro volta
  • electric motor

    electric motor
    michael faraday
  • microphone

    microphone
    In 1876, Emile Berliner and alexander graham bell invented the first microphone used as a telephone voice transmitter.
  • the telephone

    the telephone
    alexander graham bell makes test call to dr.watson thus showing his invention worked
  • phonograph

    phonograph
    Thomas Edison invents the phonograph
  • lightbulb

    lightbulb
    Thomas Edison invents the lightbulb
  • steam turbine

    steam turbine
    charles parsons
  • first electric washing machine

    first electric washing machine
    invented by the hurley machine company
  • refrigerator

    refrigerator
    robert millikan
  • casette tape recorder

    casette tape recorder
    The Philips Company of the Netherlands invented and released the first compact audio-cassette in 1962. They used high-quality polyester 1/8-inch tape produced by BASF. Recording and playback was at a speed of 1.7/8 inches per second.