Original window trade vintage catalog for GRAND RAPIDS HARDWARE COMPANY. Main office and factory was located in Grand Rapids, MI. Manufacturers of Window Sash Pulleys. Products available for narrow mullion frames, residential size pulleys and heavy duty sash pulleys. Numerous illustrations, product details and specifications are provided. Unbound from a large 1938 architectural catalog, this unique old one page technical brochure would display wonderful matted and framed. Nice graphics. A terrific addition to your retro window sash hardware library.