Video

TELEPHONE HISTORY

  • Liquid Transmitter invented

    Liquid Transmitter invented
    Elisha gray invented a Liquid Transmitter to use with a telephone.
  • long distance plan

     long distance plan
    The first long distance telephone call between cambridge and boston massachusetts made by bell.
  • electromagnetic telephone

    electromagnetic telephone
    Alexander Graham Bell gets a patent for the electromagnetic telephone.
  • microphone

    microphone
    Emile Berliner invented a microphone to improve a telephone.
  • The bell telephone company

    The bell telephone company
    The National Bell company is formed.
  • automatic telephone exchange company

    automatic telephone exchange company
    An independent automatic telephone exchange is formed.
  • radiotelephone

    radiotelephone
    The first radiotelephone public service.
  • deep sea cable

    The first Opening of the deep sea cable.
  • transatlantic

    transatlantic
    The very first transatlantic telephone call from London to new york
  • Videophone

     Videophone
    The first videophone call from Washington D.C to New York City
  • Wire and radio call

    Wire and radio call
    The first Wire and radio phone call
  • The Parliament of Canada

    The Parliament of Canada
    The Parliament of Canada recognizes Alexander Graham Bell's invention of the telephone.
  • Sources