Titre : George Westinghouse commemoration a forum ...
Éditeur : American Society of Mechanical Engineers,, New York
Date d'édition : 1937
Reliure : Hard Cover
Etat du livre : Very Good
Conducted by the American society of mechanical engineers, December 1, 1936. 78 pages, illustrations, cloth, ex-library with usual library markings otherwise very good. "This edition is reprinted from the society's publication, Mechanical engineering, for March and April, 1937, by the Westinghouse companies, with revised illustrations."--p. 6. From the Columbia Encyclopedia, Sixth Edition: "George Westinghouse, 1846-1914, American inventor and manufacturer, b. Central Bridge, N.Y. In the Civil War he served in the Union army and navy. Among his inventions in the railroad field were a reversible frog, the air brake (1868), and automatic signal devices. The Westinghouse Air Brake Company was organized in 1869 and the Union Switch and Signal Company in 1882. Westinghouse was a pioneer in introducing into the United States the high-voltage alternating current system for transmission of electricity. In 1866 the Westinghouse Electric Company was incorporated. The inventor also patented devices for the transmission of natural gas. Over 400 patents were credited to him in his lifetime.". N° de réf. du libraire 20185
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