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Harvey family papers

Identifier: 1211
Abstract: Thomas William Harvey (1795-1854) was an important inventor in the arts of metalworking and metallurgy. The Harvey family papers primarily relate to Thomas William Harvey and his magnetic experiments. It also includes a biography written by his great-grandson Thomas W. Harvey (1884-1965), articles of association of the Harvey Galvanic Company, and two account books of the Harvey Electro Magnetic Company.
Dates: 1839-1940

Thomas Parke Hughes papers

Identifier: 2259
Abstract: Thomas Parke Hughes (1923-2014), was one of the leading historians of technology of his era. This collection consists of files relating to the research and production of Professor Hughes' two prize-winning books, Networks of Power, and Elmer Sperry: Inventor and Engineer. Also included are Elmer Sperry's original desk diaries.
Dates: 1912-1984

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Electric controllers 1
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Sperry, Elmer Ambrose, 1860-1930 1