Original electrical trade vintage catalog for I-T-E CIRCUIT BREAKER COMPANY. Main office and factory was located at 19th and Hamilton Streets, Philadelphia, PA. Electrical Design. U-Re-Lite Engineers and Manufacturers. Switchboard designers and builders use I-T-E Circuit Breakers. 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.