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 for the electrical industry. The most popular among motor manufacturers are deep groove, cylindrical roller, self-aligning ball and spherical roller bearings. Disbound from a large 1944 electrical construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library.