Original concrete trade vintage catalog for NATIONAL STEEL FABRIC COMPANY. General offices were located at 902 Union Trust Building, Pittsburgh, PA. Manufacturers of Steeltex, welded wire fabrics. Designed especially for concrete reinforcing, in all types of construction. Pictured is American Furniture Mart in Chicago, IL. and New Mariner Tower at Milwaukee, WI. Division of Pittsburgh Steel Company. This unique 1931 three page building material brochure would be a marvelous addition to your retro engineering library. Pages are loose and contain small amount of residual glue on edge.