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The first telephone had two parts: a transmitter and a receiver. The transmitter comprised three parts—a drumlike device (a cylinder with a covered end), a needle, and a battery. The covered end of the drumlike device was attached to the needle.
- Alexander Graham Bell | Biography, Education, Telephone, Inventions ...
Alexander Graham Bell, Scottish-born American inventor,...
- Telephone - Invention, Alexander Graham Bell, Communication
Alexander Graham Bell, inventor who patented the telephone...
- Alexander Graham Bell | Biography, Education, Telephone, Inventions ...
Nov 9, 2009 · Alexander Graham Bell is known for his many inventions, especially the telephone and a metal detector. He later created the Bell Telephone Company, now AT&T.
3 days ago · Alexander Graham Bell, Scottish-born American inventor, scientist, and teacher of the deaf whose foremost accomplishments were the invention of the telephone (1876) and refinement of the phonograph (1886).
Apr 3, 2014 · Alexander Graham Bell was one of the primary inventors of the telephone, did important work in communication for the deaf and held more than 18 patents.
May 21, 2021 · Alexander Graham Bell's success with the telephone came as a direct result of his attempts to improve the telegraph. When he began experimenting with electrical signals, the telegraph had been an established means of communication for some 30 years.
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.
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.
