Telephone

History of the Telaphone

By sophieadams

  • telephone in 1860

    telephone in 1860
    In the museum at South Kensington is a pairof instruments, in 1860 by Phillp Reis and described as the orignal telephone.
  • Period: to

    History of the Telephone

  • telephone in 1861

    telephone in 1861
    Johann Phillip Reis built apparatus that changed sound to eletricty and back again to sound.

  • telephone in 1874

    telephone in 1874
    Bell and Watson transmitted the 1st complete sentence.

  • telephone in 1876

    telephone in 1876
    Elisha Gray filed his patent caveat on Febuary 14, 1876

  • telephone in 1878

    telephone in 1878
    The Bell Company did the first exchnage in Hardford, England. First exchange was built in London, England

  • telephonein 1885

    telephonein 1885
    The bell company formed American Telegraph Company to operate the long distance network.

  • telephone in 1888

    telephone in 1888
    William Gray of Hartford, Connecticut patened operated coin pay telephone.

  • telephone in 1891

    telephone in 1891
    Alom Strowger of Kansas City patented First Automatic telephone exchange.

  • telephone in 1921

    telephone in 1921
    Detrit Police Departement began experimentatationg with one- way vehicular mobile service.

  • telephone in 1936

    telephone in 1936
    Alton Dickieson, H.I. Romnes, and D. Mitchell begin desighn of AT&T mobile phone system.

  • telephone in the future

    telephone in the future
    Apple or AT&T might have prokecting facetime, so that it comes out of the phone. Or glasses for the phone