Original wood trade vintage catalog for DOUGLAS FIR PLYWOOD MANUFACTURERS. Main office was located in the Skinner Building, 6th floor, Seattle, WA. Manufacturers of Plywood for Concrete Forms. Real lumber engineered for greater size and strength. Used on the Harlem Avenue Viaduct in Chicago. Numerous images, illustrations, product details and architect specifications are provided. Unbound from a large 1933 architectural catalog, this unique old four page technical brochure would display terrific matted and framed. Nice graphics. A marvelous addition to your retro wood library. Pages are detached and may contain a small amount of residual glue. Light damp stain on page edges.