Original concrete trade vintage catalog for ROBERT W. HUNT COMPANY, was located at 175 West Jackson, Chicago, IL. Engineers, Concrete and Cement Inspection and Tests of Materials for Building and Structures, Structural Steel. Laboratories were in the United States, Canada, England and Continental Europe. Disbound from a large 1938 construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. It will make a marvelous addition to your retro architecture and engineering library.