Definition of francis ashbury pratt in English English dictionary
born Feb. 15, 1827, Woodstock, Vt., U.S. died Feb. 10, 1902, Hartford, Conn. U.S. inventor. With Amos Whitney he founded the Pratt & Whitney Co. in Hartford to manufacture machine tools. He was instrumental in bringing about adoption of a standard system of gauges. He also invented a metal-planing machine (1869), a gear cutter (1884), and a milling machine (1885)