Original electrical trade vintage catalog for NORTH AMERICAN PHILIPS COMPANY. Commercial Sound Department was located at 100 East 42nd Street, New York City, NY. Manufacturers of Norelco Sound Systems. Cosmographs, modules, accessories, sound columns, microphones, closed circuit TV camera, CCTV video monitors, CCTV video selector, CCTV special accessories, delayed sound equipment, simultaneous interpretation equipment, amplifiers, preamplifier, inductive loop audio system, inductive paging system and intercom system are detailed. Disbound from a large 1964 electrical construction materials book, this unique old eight page technical specifications 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.