Original industrial trade vintage catalog for THE BRADY CONVEYORS CORPORATION.  Main office and plant was located at 20 West Jackson Street, Chicago, IL. Manufacturers of Steam Jet Ash and Pneumatic Material Handling Equipment. Jetveyors, Tile Ash Storage Tank, Ashveyor Steam Vacuum Systems. 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.