Original flooring trade vintage catalog for STRUCTURAL GYPSUM CORPORATION. General office was located at 535 Fifth Avenue, New York City, NY. Factory was located in Linden, NJ. Manufactures of Gypsteel pre-cast flooring and roofs. Used at the Museum of Natural Science, Buffalo, NY, Esenwein & Johnson, architects. Seneca Theater, Henry L. Spann, architect. 895 Park Avenue, New York City, NY. Sloan & Robertson, architects. Terrace Arms, Mount Vernon, NY. Stern & Teysen, architects. Unbound from a large 1933 architectural catalog, this unique old eight page technical brochure would display beautifully matted and framed. A marvelous addition to your retro roofing construction library. Pages are detached and contain a small amount of residual glue on edge. Slight damp stains on page edges, with some bleed through. Text is not affected.