Original electrical trade vintage catalog for THE G. C. A. MANUFACTURING COMPANY. Main office and factory was located at 346 Wahconah Street, Pittsfield, MA. Manufacturers of lamp replacer, cartridge fuse tongs and disconnecting switch hooks. Replacers are standard equipment with lighting companies in every state. Consists of a clutch mechanism mounted on the end of a pole. Disbound from a large 1942 electrical tools and materials book, this unique old one page technical specifications brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Contains a small amount of residual glue on edge.