Original roofing trade vintage catalog for THE MACOMBER STEEL COMPANY. Main office was located at 901 Belden Avenue, Canton, OH. Manufacturers of Bar joists and nailer joists for roofing. Built up from steel bars and plates, designed to carry concrete floor decking and concrete or steel roof decking. Nailer is designed for nailing wood flooring and wood roof decking directly to the top member. Unbound from a large 1931 architectural catalog, this unique old one page technical brochure would display beautifully matted and framed. Nice graphics. A wonderful addition to your retro roofing construction library.