Original electrical trade vintage catalog for PENN-UNION ELECTRIC CORPORATION, of Erie, PA. Manufacturers of power, grounding, tee, service connectors, terminal lugs, cable taps and more. Conductor fittings carefully designed, thoroughly tested. First choice of leading utilities and industrial corporations, electrical manufacturers and contractors. Disbound from a large 1943 electrical construction materials book, this unique old two page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric equipment library. Pages are detached and contains a small amount of residual glue on edge.