Telephone

History of the Telephone

By Donkey Teeth
  • History of the Telephone

    History of the Telephone

    Source
    First intrument to transmit a spoken word by Phillip Reis
  • Period: to

    History of the Telephone

  • History of the Telephone

    History of the Telephone

    Source
    Philip Reis built a apparatus that changed sound to electricity and back again to sound.
  • History of the Telephone

    History of the Telephone

    Source
    A.G. Bell developed the basics for the telephone.
  • History of the Telephone

    History of the Telephone

    Source
    Bell files patent application on February 14
  • History of the Telephone

    History of the Telephone

    Source
    Bell makes the first telephone exchange and first telephone exchange comes on line.
  • History of the Telephone

    History of the Telephone

    Source
    Thomas Edison discovers flow of electricity in a vacuum.
  • History of the Telephone

    History of the Telephone

    Source
    Bell formed the American telephone.
  • History of the Telephone

    History of the Telephone

    Source
    William gray patented the coin-operated telephone.
  • History of the Telephone

    History of the Telephone

    Source
    AT&T's first touch-tone phones were a big hit.
  • History of the Telephone

    History of the Telephone

    Source
    First commercial cellular system by the Illinois Bell.
  • History of the Telephone

    History of the Telephone

    They could come up with more battery percentage, a projecting screen, a non-breakable phone… etc.