Original door trade vintage catalog for NORTON DOOR CLOSER COMPANY of Chicago, IL. Manufacturers of Rack and Pinion Principle, gives Full Control, while Crank style gives only partial. No strain on hinges or doors. Holder arm, fusible link, telephone and coupon booth closers. Disbound from a large 1941 construction materials book, this unique old ten page technical specifications brochure would make a sensational addition to your retro architectural design library. Pages are loose and contain a small amount of residual glue on edge.