Original electrical trade vintage catalog for A. F. DAUM COMPANY of Pittsburgh, PA. Manufacturers of Refillable fuses for electric light and power. Refillable cartridge fuse shells, strips, type B fuses, E Fuses. Disbound from a large 1916 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. Contains a small amount of residual glue on edge.