Original industrial trade vintage catalog for ROBBINS & MYERS, INC. was located in Springfield, OH. Manufacturers of Electric Hoists, Hand Hoists, and Trolleys. Cranes for stand and special applications. Bull Dog, Differential, High Speed Spur-Geared Ball Bearing, Ace Trolley. Disbound from a large 1931 industrial catalog, this unique old one page technical brochure would display beautifully matted and framed. A marvelous addition to your retro industrial equipment library. Slight damp stain on outer edge.