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The telefhone

By Julen2008
  • The telephone

    The telephone

    In 1793 the telegraph was invented, and signals were first send alosg wires.Nowdays with the satelites over one billion people send messages.
  • Who invented?

    Who invented?

    Johann Reis, Antonio Meucci, Elisha Gray and Alexander Graham Bell invented the first phone.And was invented the first telephones in 1876.
  • The progress of the telephone

    The progress of the telephone

    Then the first words in a segnal converted.All telephones calls had to go throught an operator.The operator ansewer you call.Tooking the numbers that you now you can call any person and too a private call.
  • The movile phone

    The movile phone

    The movile phone was invented in 1979 in USA.Now the comunication with the movile phone is sow long

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