Original industrial trade vintage catalog for GEAR SPECIALTIES, INC.  Main office and plant was located at 2635 West Medill Avenue, Chicago, IL. 

Manufacturers of Fractional Horsepower Gears. Products include Spurs, Spirals, Helicals, Bevels, Internals, Worm Gearing, Racks and Thread Grinding. Has numerous product images with detailed descriptions, uses and applications provided. Unbound from a large 1946 postwar industrial product designer catalog, this unique old four page technical brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your vintage industrial electrical equipment library.