Original electrical trade vintage catalog for OSTER MANUFACTURING COMPANY, Main office was located at 2034 East 61st Street, Cleveland, OH. Factory was located in Erie, PA and Cleveland, OH. Manufacturers of Pipe Master No. 502, power vise stand No. 422, and Tom Thumb No. 562 portable threading machines are shown and detailed. 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.