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The Telephone
Beginning of paper
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 signals back to sound. The switch hook de .... Middle of paper
.... Companies that posessed
a telephone had a enormous advantage over the rest. And in a time as
economically troubled as the 30's depression, everyone was looking for a
competitive edge.
The telephone wasn't invented in the thirties, nor was the first
transatlantic line built then, but the thirties represents a time in history
when the world was changing incredible fast and much of that change was made
possible by the the telephone. Without the ....
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Number of words: 317
Number of pages: 2 (approx. 250 words per double-spaced page)
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