Original electrical trade vintage catalog for OLIVER IRON & STEEL CORPORATION, was located at South Tenth and Muriel Streets, Pittsburgh, PA. Manufacturers of pole line hardware. Fittings, grounding material, braces, crossarms, anchoring and guying, brackets, racks, clevises, pins, bolts, screws, nails and other items shown. Approved and accepted by utility and telephone companies everywhere. Disbound from a large 1943 electrical construction materials book, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Pages are detached and contains a small amount of residual glue on edge.