Original electrical trade vintage catalog for BRIDGEPORT SWITCH COMPANY. Main office and factory was located at 209 Center Street, Bridgeport, CT. Manufacturers of connectors, fittings, locknuts, flange plates, elbows and condetts. Disbound from a large 1951 architect construction materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electrical equipment library.