Original insulation trade vintage catalog for CHICAGO-WILCOX. MANUFACTURING COMPANY. Main office and factory was located on East 77 Street and Anthony Avenue, Chicago, IL. Manufacturers of Gaskets, made of Asbestos, Lead and Rubber. Washers, Manhole, Handhole, Leakproof Metal Gaskets for Electric Refrigeration. Unbound from a large 1931 industrial insulation 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.