Amos Whitney

Amos Whitney was born in Biddeford, Maine. At age 13, he was apprenticed to the Essex Machine Company of Lawrence, Massachusetts. After a year as a journeyman, he came to…

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Francis Pratt

Born in Vermont, Francis Pratt’s family moved to Lowell, Massachusetts when he was 8 years old. When old enough, he apprenticed to Warren Aldrich to learn the machinist’s trade.  In…

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William Gray

William Gray enjoyed tinkering at an early age. He apprenticed at a machine shop before working at Pratt & Whitney. While at Pratt & Whitney, he came up with several…

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Edson F. Gallaudet

Edson F. Gallaudet received his B.A. from Yale University and his PhD in electrical engineering from Johns Hopkins University. He worked at Westinghouse Electric & Manufacturing Company for a year.…

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Samuel Colt

Inventor and industrialist, Samuel Colt was the founder of Colt’s Patent Fire Arms Manufacturing Company. He is recognized for the improvement and mass production of the revolver. Early Life Colt…

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