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The telephone

By OmarHernando555
  • The telegraph

    The telegraph

    Inventors inspired to try and send no just signals but the human voice alogng wire.
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  • Telephone

    Telephone

    Johann Reis(Germany),Antonio Meucci(Italy),Elisha Gray (Usa) and Alexander Graham Bell (Scotland) were all trying out firts telephones in the 1860s and 1870s,but Bell's was granted the firts pantent in 1876.
  • Telephone with a separate mouthpiece an earpice

    Telephone with a separate mouthpiece an earpice

    Thomas edison made telephone with a separate mouthpiece an earpice
  • The telephone with call and operator

    The telephone with call and operator

    The operator answered your call,took the number you wanted and plugged in your line to complete the electrical circuit and connec your call.
  • Canbles telephone

    Canbles telephone

    Canbles telephone were popular in Europe and the Usa.
  • The mobile phone

    The mobile phone

    The mobile was invented in 1979 by Bell Telephone Laboratories in the USA. A sytem of radio stantions links the moving telephone to computer network that keeps track of teh caller
  • The mobile cell

    The mobile cell

    The mobile cell are small and can you carry messages text ,voice messages,photos,videos,games and connect to Internet