Archival and documentary railroad collections include builder's prints and diagrams from the Lima Locomotive Works, which was the third largest steam locomotive builder in the United States. Central to the production of the Lima Locomotive Works was the Shay engine, invented by Ephraim Shay.
These archival and documentary collections include blueprints and diagrams produced by the Lima Locomotive Works, a leading U.S. manufacturer of steam locomotives. The company's success was largely due to its production of the Shay engine, designed by Ephraim Shay.