Telephone - Invention, Alexander Graham Bell, Communication
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Telephone - Invention, Alexander Graham Bell, Communication: Beginning in the early 19th century, several inventors made a number of attempts to transmit sound by electric means. The first inventor to suggest that sound could be transmitted electrically was a Frenchman, Charles Bourseul, who indicated that a diaphragm making and breaking contact with an electrode might be used for this purpose. In the 1850s Italian American inventor Antonio Meucci had electrical devices in his home called telettrofoni that he used to communicate between rooms, though he did not patent his inventions. By 1861 Johann Philipp Reis of Germany had designed several instruments for the transmission of sound. The
Telephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in use. This article describes the modern telephone’s components and traces its historical development.
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Alexander Graham Bell Day, March 7th
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Alexander Graham Bell: Inventor Who Revolutionised Communication
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Who is credited with inventing the telephone?
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Alexander Graham Bell
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Alexander Graham Bell's Birth Anniversary: Facts you should know about him - Hindustan Times
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Quotes of Alexander Graham Bell
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Image of BELL: TELEPHONE, 1877 The telephone, Alexander Graham Bell's invention. Patented
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Who Invented Telephone? - GeeksforGeeks
Al Anees - Alexander Graham Bell invented the first