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Alexander Graham Bell ( / ˈɡreɪ.əm /, born Alexander Bell; March 3, 1847 – August 2, 1922) [4] was a Scottish-born [N 1] Canadian-American inventor, scientist and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in 1885. [7]
Apr 19, 2024 · Alexander Graham Bell, who patented the telephone in 1876, inaugurating the 1,520-km (944-mile) telephone link between New York City and Chicago on October 18, 1892. (more) Gardiner Hubbard organized a group that established the Bell Telephone Company in July 1877 to commercialize Bell’s telephone.
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. Bell’s...
Nov 24, 2009 · On March 7, 1876, 29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone. The Scottish-born Bell worked in London with his father, Melville...
Oct 19, 2018 · Home. Objects and stories. Ahoy! Alexander Graham Bell and the first telephone call. Published: 19 October 2018. Hide story contents. Story Content. 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?
May 21, 2021 · Mary Bellis. Updated on 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.
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 to translate the light density into electric signals.
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