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WEBJul 30, 2024 · Learn about the invention and development of the telephone, an instrument for transmitting and receiving human voice. Find out the functional components of the modern telephone and the history of its …
WEBMay 21, 2021 · Learn about the history of the telephone, from its origins in sound and telegraphy to its invention by Alexander Graham Bell and Elisha Gray in the 1870s. Find out how Bell patented his device, founded his …
WEBJul 29, 2024 · Alexander Graham Bell, inventor who patented the telephone in 1876, lecturing at Salem, Massachusetts (top), while friends in his study at Boston listen to his lecture via telephone, February 12, 1877.
WEBInnocenzo Manzetti considered the idea of a telephone as early as 1844, and may have made one in 1864, as an enhancement to an automaton built by him in 1849. Charles Bourseul was a French telegraph engineer who …
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