Inside an American Factory, Westinghouse Air Brake Company
http://memory.loc.gov/ammem/papr/west/westair.html
Referenced in:
George Westinghouse
George Westinghouse [Railroads]
Inside an American Factory, Westinghouse Air Brake Company
http://memory.loc.gov/ammem/papr/west/westair.html
Referenced in:
George Westinghouse
George Westinghouse [Railroads]