Original electrical trade vintage catalog for FEDERAL ELECTRIC COMPANY, was located at 8700 South State Street, Chicago, IL. Manufacturers of Tyfon Horns and Alarm Sirens. Type A takes the place of bells, gongs, whistles, wherever electricity is available. Fedelcode Number One Siren recommended for the factory that cover a considerable area. Disbound from a large 1931 electrical construction 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. Slight damp stain on outer edge.