Original electrical trade vintage catalog for R. E. UPTEGRAFF MANUFACTURING COMPANY, of Scottdale, PA. Manufacturers of power distribution, transformers, instrument specialty. Type PT, Apt, PT, EEI-Nema models are shown. Special types can be designed to individual customer's requirements, as to capacity, rating and dimensions. All are made with care and precision. Thorough testing assures satisfactory performance and service. Disbound from a large 1948 electrical construction materials book, this unique old four 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.