Original industrial trade vintage catalog for POTTSTOWN-SOTTER TANK WORKS, INC of Pottstown, PA. Steel Plate Construction. Manufacturers of pressure tanks, storage tanks, breechings, standpipes, stacks, bins, hoppers riveted & welded pipe, pontoons, chemical and oil refinery equipment. Disbound from a large 1931 industrial catalog, this unique old one page technical brochure would display beautifully matted and framed. A marvelous addition to your retro industrial equipment library. Slight damp stain on outer edge. Formally Sotter Brothers.