Original 1970 window trade vintage catalog for the NORTHROP ARCHITECTURAL SYSTEMS.  Main office and plant were located at 999 South Hatcher Avenue, City of Industry, CA, at 645 National Avenue, Mountain View, CA and also at 40 Rawls Road, Des Plaines, IL.

Manufacturers of Arcadia Sliding and Projected Windows.

Has product images, detailed illustrations, description, applications and architectural specifications provide product details.

Unbound from a large rare 1970 Architectural Catalog File compilation, this unique old four-page technical brochure would display beautifully matted and framed. Nice cover graphics. A fabulous addition to your retro window library.