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Gray, Elisha (1835 - 1901) - free download ebooks and read online

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Elisha Gray (August 2, 1835 – January 21, 1901) was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois and is considered by some writers[1] to be the true inventor of the variable resistance telephone, despite losing out to Alexander Graham Bell for the telephone patent....

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Ebooks of Gray, Elisha (free download ebooks and read online):

Nature's Miracles, Volume 1 Familiar Talks on Science—World-Building and Life. Earth, Air and Water by Gray, Elisha