Original concrete trade vintage catalog for KALMAN STEEL COMPANY. Main office was located in Chicago, IL. Manufacturers of concrete reinforcement products. Corrugated bars, spacers, chairs, inserts, sleeper anchors, steel tile, column forms and spirals and wire fabric. This unique 1931 old one page building material brochure would display beautifully matted and framed. A marvelous addition to your retro engineering and design library.