Original window trade vintage catalog for HOUGH SHADE CORPORATION. Main office and plant was located at 166 North La Salle Street, Chicago, IL. Manufacturers of Ra-Tox Steel Window Ventilating Shades. Products include fixtures, brackets, sash, counterbalance and skylights are featured. Wood fabric developed for application to all types of windows used in industrial buildings, factory workroom, office, schools and hospitals. Unbound from a large 1931 architectural catalog, this unique old one page technical brochure would display wonderful matted and framed. Nice graphics. A fabulous addition to your retro window shades library. Slight damp stain on outer edge.