Bell system 1939

Telephone

By Sarailcpg
  • The telegraph is invented

    The telegraph is invented

    Samuel Morse creates the telegraph. Then, to prove his invention, he sends a message from Washington D.C. to Baltimore.
  • The U.S. and the U.K. are connected

    The U.S. and the U.K. are connected

    A telegraph cable connects the U.S. and Europe throught the Atlantic Ocean.
  • A. Graham Bell patents the telephone

    A. Graham Bell patents the telephone

    He was a Scottish-born teacher and created what he called the "talking telegraph", which sent voice vibrations thought a cable. Bell’s patent beats a similar one made by Elisha Gray just by 2 hours.
  • Telephone in 1877

    Telephone in 1877

  • Companies raced to lay phone lines

    Companies raced to lay phone lines

    There were almost 1.5 million in the country.
  • Telephone in 1913

    Telephone in 1913

  • Telephone in 1919

    Telephone in 1919

  • Telephone in 1928

    Telephone in 1928

  • Telephone in 1937

    Telephone in 1937

  • Telephone in 1956

    Telephone in 1956

  • Telephone in 1964

    Telephone in 1964

  • Telephone in 1968

    Telephone in 1968

  • Telephone in 1992

    Telephone in 1992

  • Telephone in 2010

    Telephone in 2010

  • Resources:

    Dual Diploma US History Book
    http://www.pbs.org/wgbh/amex/telephone/gallery/index.html
    http://www.history.com/topics/inventions/telegraph
    http://www.history.com/this-day-in-history/alexander-graham-bell-patents-the-telephone