Original stairway trade vintage catalog for DUVINAGE CORPORATION. Main office and plant was located in Hagerstown, MD. Manufacturers of spiral and circular stairs, treads, rails and platforms. Product images, illustrations and details provided. Full color photos of stair design 165, 141, 175, 131, and rails 160, 145, 190 and 150. Double stringer and single center stringer are illustrated. Unbound from a large 1982 architectural catalog, this unique old sixteen page technical specifications brochure would display fantastic matted and framed. Nice cover graphics. A marvelous addition to your retro stairway library. Pages are detached and contain a small amount of residual glue on edge.