Bell Magneto System Telephone, 1877
by Science Source
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Bell Magneto System Telephone, 1877
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Science Source
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Photograph - Photograph
Description
Bell magneto system telephone, 1877. Alexander Graham Bell (March 3, 1847 - August 2, 1922) was a Scottish-American speech therapist and inventor of the telephone. Bell followed his father and grandfather into the speech therapy profession, but also studied sound waves and the mechanics of speech. By 1871, he had moved to the USA, becoming professor of vodal physiology in Boston. There he performed his experiments in converting sound waves into electrical impulses for transmission down wires. In 1876, he patented the telephone and founded what has become the AT&T company. In later years he made many improvements to the telephone, worked with Langley and Curtis on flying machines, and founded the journal "Science."
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April 10th, 2019
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