Original window trade vintage catalog for INDUSTRIAL MACHINE TOOL COMPANY, INC. (Tru-Seal Window Division) Main office was located in Fenton, MI. Manufacturers of Aluminum Awning Windows. Tru-Seal aluminum awning windows with Micromatic vent adjustment. Topics discussed include General description series 53 and 100, installations, full scale cross sections, hopper vent and cross sections, stock and special window sizes, picture window and glazing beads, remote operations, institutional and commercial series 152, specs series 152-53-100, installation details. Testing Lab Report, accessory details, mullion details and national distributors are listed. Numerous images, illustrations, product descriptions, and architect specifications provided. Unbound from a large 1954 architectural catalog, this unique old twenty-four 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.