Original classroom trade vintage catalog for ANDREW HOFFMAN, INC. Main office and factory was located at 5034-5038 State Street, Chicago, IL. Manufacturers of the Ideal Map and Display Rail. Products used in School Classrooms, Offices, Conference Rooms and Hospitals. Used for hanging map cases, maps, charts, posters, bulletins and drawings. Unbound from a large 1938 architectural catalog, this unique old one page technical brochure would display wonderful matted and framed. Nice graphics. A terrific addition to your retro display rail library.