Original door trade vintage catalog for VAN KANNEL REVOLVING DOOR COMPANY, was located in New York City, NY. Manufacturers of All Glass Reinforced Doors, panic-proof type, equipped with traffic controller. Products include Wings and Hardware. Numerous images, illustrations, details, and specifications are provided. Unbound from a large 1941 architectural catalog, this unique old fifteen page technical specifications brochure would display fantastic matted and framed. Nice cover graphics. A fabulous addition to your retro construction library. Pages are detached and contain a small amount of residual glue on edge.