Original roofing trade vintage catalog for OVERLY MANUFACTURING COMPANY, was located in Greensburg, PA. Manufacturers of Overly Method of Sheet Metal Roof Construction. Mellon Institute Building, University of Pittsburgh, PA is pictured. Janssen & Cocken, Architects. Unbound from a large 1938 architectural catalog, this unique old one page technical brochure would display beautifully matted and framed. Nice graphics. A marvelous addition to your retro roofing construction library.