Original electrical trade vintage catalog for THE BELL TELEPHONE SYSTEM. Planned home layout for jack, wiring entrance, protectors, conduit and telephones. Plan outlet locations before construction begins. Recommended locations are given. Some of the telephone instruments and accessories generally available for residential installation are shown, including combined telephones, wall telephone, load bell used for patios & garages and illuminated dial phone which is convenient feature for bedside telephones. Disbound from a large 1956 architect construction materials book, this unique old eight page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electrical equipment library. Contains a small amount of residual glue on edge.