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  2. Nov 9, 2009 · Alexander Graham Bell, best known for his invention of the telephone, revolutionized communication as we know it. His interest in sound technology was deep-rooted and personal, as both his...

  3. Alexander Graham Bell (/ ˈ ɡ r eɪ. ə m /, born Alexander Bell; March 3, 1847 – August 2, 1922) was a Scottish-born Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone.

  4. Apr 3, 2014 · Alexander Graham Bell was a Scottish-born scientist and inventor best known for inventing the first working telephone in 1876 and founding the Bell Telephone Company in 1877.

  5. Oct 19, 2018 · On 7 March 1876, Alexander Graham Bell was granted a patent for the telephone—but did he invent it? How did we communicate before the telephone? It’s an aspect of modern life most of us would struggle to live without.

  6. The project that Bell himself called his greatest achievement in 1880 he named the photophone. This was a method of transmitting sound in a beam of light using a light sensitive selenium cell...

  7. May 21, 2021 · In the 1870s, Elisha Gray and Alexander Graham Bell independently designed devices that could transmit speech electrically. Both men rushed their respective designs for these prototype telephones to the patent office within hours of each other.

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