RE: There were many earlier invention that resemble telephones,but Alexander Graham Bell was the first patent Alexander Graham Bell first displayed a working telephone at the Centennial exhibition in 1876

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There were many earlier invention that resemble telephones,but Alexander Graham Bell was the first patent Alexander Graham Bell first displayed a working telephone at the Centennial exhibition in 1876

in first •  6 years ago 

Nice post,

first
6 years ago by

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