Primary Source Spotlight: George Westinghouse | Human Interest | Scoop.it
From primarysourcenexus.org - December 19, 2014 11:13 AM
George Westinghouse & his companies George Westinghouse; his life and achievements 1918 The Inventor of the Air-Brake: George Westinghouse 1921 from Conquests of Invention Inside an American Factory: Films of the Westinghouse Works, 1904 George...