Original electrical trade vintage catalog for WESTON ELECTRICAL INSTRUMENT CORPORATION, was located at 639 Frelinghuysen Avenue, Newark, NJ. Manufacturers of circuit tester, illumination meters, ultra-sensitive instruments and industrial analyzer. Disbound from a large 1942 electrical materials book, this unique old one page technical brochure would display wonderfully matted and framed. A marvelous addition to your retro electric test equipment library. Contains a small amount of residual glue on edge.