Original window trade vintage catalog for PER-FIT PRODUCTS CORPORATION. Main office and factory was located at 1212 East 52nd Street, Minneapolis, IN. Manufacturers of Slider Aluminum Windows. Best-Vent. Picture and double-hung windows, full size, mullion,installation details, sizes and dimensions given. Numerous images, illustrations, product details and architect specifications are provided. Unbound from a large 1954 architectural catalog, this unique old eight page technical brochure would display wonderful matted and framed. Nice cover graphics. A fabulous addition to your retro aluminum windows library. Pages are detached and may contain a small amount of residual glue on edge.