james nasmyth

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born Aug. 19, 1808, Edinburgh, Scot. died May 7, 1890, London, Eng. Scottish engineer. Son of the artist Alexander Nasmyth (1758-1840), he is known mainly for his invention of the steam hammer (1839), an important metallurgical tool of the Industrial Revolution. He also devised tools such as a planing machine, a steam pile driver, and a hydraulic punching machine, and he manufactured more than 100 steam locomotives. He retired at 48 to devote himself to his hobby, astronomy

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James Na·smyth