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Elisha Grey: The Second in the World to Invent the Telephone Part 4
1 Mar 2023
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Elisha Grey: The Second in the World to Invent the Telephone Part 3
28 Feb 2023
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Elisha Grey: The Second in the World to Invent the Telephone Part 2
27 Feb 2023
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American electrical engineer
Elisha Gray 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. Wikipedia