Original electrical trade vintage catalog for THE HOLTZER-CABOT ELECTRIC COMPANY.  Main office and plant was located at 125 Armory Street, Boston, MA.

Manufacturers of Electric Signaling and Protective Systems. Products include Holtzer-Colt Electrical Clock Systems automatic correction features, Burglar and Hold-Up Alarm Systems, Signal Systems for Hospitals nurse call system,  Phonacall System, Signal System for Hospitals doctors paging system,  Fire Alarm Systems, Visual Announcing System for Railway Stations, Race Tracks, and Athletic Fields and Telephone Systems are all featured.  Has numerous product images with detailed descriptions, illustrations, applications, specifications and dimensions provided. Unbound from a large 1935 architectural product catalog, this unique old ten-page brochure would display beautifully matted and framed. Nice graphics. A fantastic addition to your vintage construction materials library. Pages are loose and may contain residual glue on edge.