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1667: Robert Hooke invented a string telephone

1667: Robert Hooke invented a string telephone . http://en.wikipedia.org/wiki/Tin_can_telephone. 1867 Alexander Graham Bell invented the telephone. http://comminfo.rutgers.edu/~dalbello/FLVA/infrastructure/infoinfra/telephone/index.html.

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1667: Robert Hooke invented a string telephone

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  1. 1667:Robert Hooke invented a string telephone http://en.wikipedia.org/wiki/Tin_can_telephone

  2. 1867Alexander Graham Bell invented the telephone • http://comminfo.rutgers.edu/~dalbello/FLVA/infrastructure/infoinfra/telephone/index.html

  3. 1877The first telephone appeared in Wisconsin. Appleton banker Alfred Galpin ran a line from his residence to the bank.

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