The world’s largest collection of Westinghouse-related materials is found at The Heinz History Center in Pittsburgh. Much, but certinly not all, of the items have been catalogued and made available on two websites.
Papers, photographs, and other two-dimensional documents are archived at the Detre Library and can be accessed by clicking on the following image.
The nearly 700 items in the History Center’s Westinghouse artifact collection can be accessed by clicking on the image below.