TITLE

The Bell telephone

PUB. DATE
January 2004
SOURCE
History of Science & Technology;2004, p404
SOURCE TYPE
Encyclopedia
DOC. TYPE
Reference Entry
ABSTRACT
The article chronicles the development of the telephone by Alexander Graham Bell. Bell's interest in speech therapy led him to develop the telephone. He acquired his knowledge of the speech and sound mechanisms when he lived with his grandfather in London, England. A book by Hermann Helmholtz on the physiological theory of music motivated Bell to make his own experiments. Using metal reeds, he was able to produce sounds through electric magnets. Thus, multiple telegraph emerged. In 1876, Bell replaced the metal reeds with a metal membrane and found that he could reproduce any sound with it. This led to the development of the first telephone.
ACCESSION #
19523385

 

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