Original door trade vintage catalog for CORNELL IRON WORKS, INC. Main office was located at 3610-30 13th Street, Long Island City, NY. Manufacturers of rolling doors and shutters of steel, Underwriters Labeled fire doors. Four types of operation, self-coiling, hand chain and gearing, motor drive and automatic closing. This unique 1931 old three page building materials brochure would be a marvelous addition to your retro architectural design and engineering library. Pages are loose and contain a small amount of residual glue on edge.