History of the Telephone

By LAX24
  • Telephone was Thought Up

    Telephone was Thought Up

    SourceElisha Gray and Alexander Graham Bell both independently created the telephone. Their telephones transmitted speech electrically.
  • Multiple Telegraph

    Multiple Telegraph

    SourceAlexander Graham Bells research progressed to the extent that he could inform his father-in-law. He informed him about the multiple telegraph.
  • Harmonic Telegraph

    Harmonic Telegraph

    SourceHe discovered he could hear sound over a wire. He discovered this while experimenting with hamonic telegraph.
  • Telephone was born

    Telephone was born

    SourceAlexander Graham Bell created the telephone. Many telegraphs died that day.
  • Telephone Company

    Telephone Company

    SourceThe telephone became a company. It was named AT&T.
  • First Mobile Telephone Call

    First Mobile Telephone Call

    SourceA random driver made the first mobile telephone call. He did this in St. Louis.
  • Picture Phone

    Picture Phone

    SourceAT&T created the first picture telephone. It was very crude.
  • First Mobile Phone

    First Mobile Phone

    SourceMotorola created the first mobile phone. It was cordless
  • English/Spanish Translator

    English/Spanish Translator

    SourceAT&T made an English/Spanish Translator. It was made in a hallway.
  • Video Communication

    Video Communication

    SourceAT&T made the Model 70. This made video communication possible.