Original plumbing trade vintage catalog for CULLIGAN, INC. Main office was located in Northbrook, IL. Manufacturers of Soft Water Conditioning for the modern new home. Millions of people every day enjoy soft water the Culligan way on a service basis or with a home owned model. Illustrated details provided. How to Plan for Culligan Service and Soft Water for Commercial and Industrial Needs are discussed. Unbound from a large 1956 architectural catalog, this unique old four page technical specifications brochure would display beautifully matted and framed. Nice cover graphics. A fantastic addition to your retro plumbing collection.