Telephone

Telephone

By mary.stang

  • Semaphore Line

    Invented by: Calude Chappe Precursor of electric telegraph. Conveyed information by using signals on a tower.
  • First Commerical Telegraph Sent in US

    First Commerical Telegraph Sent in US

    Message was "Why don't you write you rascals?" Telegraph was used to communicate using electrical signals. Many different people created versions of the telegraph.
  • Alexander Graham Bell

    Alexander Graham Bell

    Awarded first U.S. Patent for the telephone.
  • First free standing dial telephone

    First free standing dial telephone

  • Phones became equipped with tone dialing

    Phones became equipped with tone dialing

  • Terri Pall invented cordless phone.

    Terri Pall invented cordless phone.

  • First Call from Handheld Device

    First Call from Handheld Device

    Martin Cooper of Motorola made the first mobile telephone call from a handheld device.

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