Original door trade vintage catalog for RICHARDS-WILCOX MANUFACTURING COMPANY of Aurora, IL. Manufacturers of Door Hangers and Hardware Specialties. Lock Joint Trolley Tracks, R-W No 235 Slidaside Garage Door Equipment, Aut-O-Dor Electric Operators, Heavy and Butt Hinges, No. 434 Industrial, No. 448 SupeR-Way, Top and Bottom Rollers for Airplane Hangar Doors. Disbound from a large 1941 construction materials book, this unique old six page technical specifications brochure would display beautifully matted and framed. A sensational addition to your retro architectural design library. Pages are detached and contain a small amount of residual glue on edge.