Original industrial trade vintage catalog for STEPHENS-ADAMSON MANUFACTURING COMPANY, was located at 17 Ridgeway, Aurora, IL. Manufacturers of Conveying, Elevating, Screening, Crushing and Transmission Machinery. S-A Conveyors, Carriers, Apron Feeders, Elevators, Hoists, Screens, Car Pullers and Speed Changer. Used for Heavy Ore and Rock, Coal, Ash and more. Unbound from a large 1931 industrial catalog, this unique old one page technical brochure would exhibit beautifully matted and framed. A fantastic addition to your retro industrial equipment collection. Slight damp stain on outer edge.