Original tile trade vintage catalog for O. W. KETCHAM. Main office was located at 121-125 North 18th Street, South of Parkway, Philadelphia, PA. Manufacturers of architectural brick of terra cotta, hand made Ageart terra tile, face, enameled, floor, and salt glazed brick, hollow tile fireproofing. Elegant ornamental and structural burnt clay products. Pictured is the Chestnut Street Opera House. Unbound from a large 1931 architectural catalog, this unique old one page technical brochure would display fantastic matted and framed. Nice graphics. A marvelous addition to your retro floor tile library.