Original glass trade vintage catalog for PITTSBURGH CORNING CORPORATION, was located in the Grant Building, Pittsburgh, PA. Manufacturers of Decora, Argus Glass Blocks. Carrara Structural Glass, P C Glass Block and P C Architectural Glass Products. Disbound from a large 1938 industrial glass catalog, this unique old six page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro glass library. Pages are detached and may contain a small amount of residual glue on edge.