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 catalog is to set forth in specification form the essential data and information on standard stock windows, sash and window units as a guide to producers, distributors, architects, builders and to the public. The National Woodwork Manufacturers Association is a trade association composed of the country's largest producers of Ponderosa Pine stock windows, doors and frames and hardwood veneered doors. Has numerous product images with detailed descriptions, illustrations, uses, applications, specifications and dimensions provided. Unbound from a large 1958 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.