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The Telephone
Beginning of essay
itself is a rather simple appliance. A microphone, called
the transmitter, and an earphone, called the receiver, are contained in the
handset. The microphone converts speech into its direct electrical analog, which
is transmitted as an electrical signal; the earphone converts received
electrical s ....
Middle of essay
....d people might not have been so receptive to change. We owe a
great deal to Alexander Graham Bell, the inventor of the telephone, for his
invention has served mankind well and will continue to offer society a valuable
service for years to come.
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| Number of words: 317 |
Approximate pages: 2 |
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