Original windows trade vintage catalog for NATIONAL WOODWORK MANUFACTURERS ASSOCIATION.  Main office was located at 332 South Michigan Avenue, Chicago, IL.

The purpose of this Standard is to establish specifications for standard sizes, layouts, and construction of stock windows, sash and screens; to guide producers, distributors, architects, builders and the public; to provide the building industry with standard wood windows, sash and screens; to avoid delays and misunderstandings; and to effect economies from the producers to the ultimate user through a wider utilization of Ponderosa Pine stock windows, sash and screens. Has numerous product images with detailed descriptions, illustrations, applications, specifications and dimensions provided. Unbound from a large 1955 architectural product catalog, this unique old twelve-page brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your vintage construction materials library. Pages may be loose and contain residual glue on edge. (NWMA Manual WSS-45).