Original industrial trade vintage catalog for RUGGLES-COLES ENGINEERING COMPANY.  Offices were located at 50 Church Street, New York City, NY, and at 232 South Michigan Avenue, Chicago, IL. Works was located in York, PA. Designers and builders of dryers for all materials. Successfully dries asbestos rock, bagasse, chrome ore, clay, coal, copper ore, coke breeze, cork chips, flue dust, glass sand, grain, gypsum, slaked lime, marl, metal chips, peat, phosphate, quartz, sewage sludge, silica, wood pulp and many others. Disbound from a large 1916 industrial catalog, this unique old one page technical brochure would display beautifully matted and framed. A marvelous addition to your retro industrial equipment library. Page is detached and may contain a small amount of residual glue on edge.