Original concrete trade vintage catalog for SYMONS CLAMP & MANUFACTURING COMPANY. Main office was located at 4249 Diversey Avenue, Chicago, IL. Concrete Forming System is a means of forming concrete walls, adaptable to any class of construction from small residential to heavy industrial. Used by Robert E. Judge, Concrete Contractor in Bellwood, IL. James Stewart, General Contractor in Chicago, IL reinforced forms for high walls, fast pours. James Leck, Minneapolis, MN. G.L. Tarlton, St Louis, MO for setting up forms for sewage disposal tank. Panels, corners, pilaster, fillers illustrated. This unique 1954 old four page architectural technical specifications brochure would make a marvelous addition to your retro engineering library.