Original window trade vintage catalog for CECO STEEL PRODUCTS CORPORATION. Main office and factory was located in Chicago, IL. Manufacturers of Window & Door Screens, Frames, Guides, Splines, Hardware and Fittings. Bonderizing for added rust protection. Unbound from a large 1941 architectural catalog, this unique old sixteen page technical brochure would display wonderful matted and framed. Nice cover graphics. A terrific addition to your retro window screen library. Pages are detached and contain a small amount of residual glue on edge.