Original flooring trade vintage catalog for GARY STRUCTURAL STEEL COMPANY, was located in Gary, IN. Manufacturers of Floor Grating, Stair Tread and Florarmage, Fabricators of Towers, Poles and Other Public Utility Structures. Copperquad, Riveted, Mech-Lock. Disbound from a large 1936 floor materials catalog, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro flooring construction library.