Original insulation trade vintage catalog for ALLMETAL WEATHERSTRIP COMPANY. Main office was located at 2247 North Knox Avenue, Chicago, IL. Manufacturers of Allweather widow sash, full jamb balance strip and parting beads. Models 490, 90, 810, 812, 814, 410, 412, 414, 408, 424, and 890 are featured. Numerous images, detailed illustrations and architect specifications are provided. Member of the Weatherstrip Research Institute. Unbound from a large 1956 architectural catalog, this unique old eight page technical brochure would display wonderful matted and framed. A terrific addition to your retro window weatherstrip library. Pages are detached and may contain a small amount of residual glue on edge.