Original industrial trade vintage catalog for LOGAN COMPANY, was located at 560 North Buchanan Street, Louisville, KY. Manufacturers of Gravity Roller Conveyors, Belt, Power Types, Spirals, Alligator Switches, Inclined and Vertical Elevators, Carrousel, Bucket, Screw and Scraper. Disbound from a large 1931 industrial catalog, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library. Slight damp stain on outer edge.