Original industrial trade vintage catalog for A. HUHN MANUFACTURING COMPANY, was located in Minneapolis, MN. Manufacturers of Chinook Continuous Flow Dryers and Coolers. Save time, space, labor, profits. Steam and Feed Headers, Machine Drive. Disbound from a large 1931 industrial catalog, this unique old ten page technical specifications brochure would display wonderfully matted and framed. Nice cover graphics. A marvelous addition to your retro industrial equipment library. Disbound from a large 1931 industrial catalog, this unique old ten page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro industrial equipment library. Pages are detached and may contain a small amount of residual glue on edge. Slight damp stain on outer edge.