Original industrial trade vintage catalog for SKF INDUSTRIES, INC. was located at Front Street and Erie Avenue, Philadelphia, PA. Manufacturers of Ball and Roller Bearings. Time to treat motor right. Used on general purpose, fractional HP, traction and steel mill motors. Disbound from a large 1942 electrical construction materials book, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Contains a small amount of residual glue on edge.