Original roofing trade vintage catalog for THE PAM COMPANY. Main office was located at 1951 N.W. Wilson Street, Portland, OR. Manufacturers of Dubl-Dome plastic skylights for industrial, institutional, commercial and residential daylighting. Numerous images, illustrations, construction, proof of effectiveness, installation details and specifications are provided. Photo of Sculptor Studio at the University of Notre Dame in South Bend, IN. Unbound from a large 1958 architectural catalog, this unique old twelve page technical brochure would display beautifully matted and framed. A marvelous addition to your retro roofing construction library. Pages are detached and contain a small amount of residual glue on edge.