Original electrical trade vintage catalog for BROWN COMPANY, was located at 500 Fifth Avenue, New York City, NY. Manufacturers of Bermico Fibre Conduit, for use with concrete encasement, offers cable protection. Strong, high impact resistance, tight joints, acid resistant. Disbound from a large 1943 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.