Original electrical trade vintage catalog for THE RIDGE TOOL COMPANY, of Elyria, OH. Manufacturers of pipe and conduit tools, threader for electric industry. Pipe cutters, wrenches and die stocks are also shown. Disbound from a large 1948 electrical construction materials book, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric tools and equipment library.