Original plumbing trade vintage catalog for WILLIAM B. SCAIFE & SONS COMPANY.  Executive office, lab and works was located in Oakmont, PA. Manufacturers of Water Softeners, Filters. Products include We-Fu-Go softening system, Siphon Continuous, Hot Process, Zeolite, Gravity and Pressure Filter Systems are featured. Unbound from a large 1931 architectural catalog, this unique old one page technical brochure would display beautifully matted and framed. Nice graphics. A fantastic addition to your retro plumbing collection. Slight damp stain on outer edge.