Francis Pratt & Amos Whitney

Francis Ashbury Pratt (1827-1902), U.S. mechanical engineer and machine-tool manufacturer. He founded Pratt & Whitney in 1860 in Hartford, Connecticut, with Amos Whitney. He is credited with being first to permit production of fine gear work. He manufactured machine tools and tools for gun making and sewing machines. He promoted interchangeable parts and the adoption of standard system of gages for the United States and Europe. Among several machine-tool patents, his most important was for planing metal (July 28, 1869). He was born Feb. 15, 1827, Jay, NY, and died Feb. 10, 1902, Hartford, Connecticut.

Amos Whitney (1832-1920), U.S. mechanical engineer and manufacturer, organized Pratt & Whitney in 1860 with Francis Pratt. He employed W. A. Rogers and G. M. Bond in 1879 to develop the Rogers-Bond comparator, credited with rescuing mechanical science and industry from inconvenience. He also established policies leading to successful training of apprentices there and eventually became president, he retired at age 69 in 1901 when the company was acquired by Niles-Bement-Pond Company. He was born Oct. 8, 1832, Biddeford, Maine, and died Aug. 5, 1920, Portland, Maine.

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