Proceedings of the American Electric Railway Engineering Association ... containing a complete report of the ... Annual Convention, held at .. (1911)
American Electric Railway Engineering Association. Convention, American Electric Railway Association · New York, N.Y. : American Electric Railway Association · leaf 553
Report of Committee on Equipment 501 -IM Fig. ti. 3^4" x 7" Journal Thrust Plate
American Electric Railway Engineering Association · Electric railroads · Street-railroads
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.