Original electrical trade vintage catalog for AUTOMATIC ELECTRIC COMPANY. Main office and factory was located at 1033 West Van Buren Street, Chicago, IL. Manufacturers of Strowger PAX telephone systems, private automatic exchange. Autelco intercommunicating system. Type 34Ae, 1A, 35A5, switchboard with 22 line capacity, ten station desk phone, and six station wall phones are pictured. The magnetic monophone provides clear, crisp transmission over great distances without batteries or any other external power supply. American Automatic Electric Sales Company. Disbound from a large 1936 architect construction materials book, this unique old three 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.