Original window trade vintage catalog for HERRMANN & GRACE COMPANY. Main office and factory was located at 671-689 Bergen Street, Brooklyn, NY. Manufacturers of Alumex Extruded Aluminum Double Hung Windows. Topics discussed include material, construction, weatherstripping, screens and shades. Numerous illustrations are provided. Unbound from a large 1938 architectural catalog, this unique old one page technical brochure would display wonderful matted and framed. Nice graphics. A fabulous addition to your retro aluminum windows library.