Original electrical trade vintage catalog for ADAMS & WESTLAKE COMPANY, was located at 1120 N. Michigan Avenue, Elkhart, IN. Manufacturers of Adlake hermetically sealed relays for timing, load and control circuits, designed and built to meet the most exacting demands of industry. Type 5000, 1040, 1101 and Mighty Midget are shown. Disbound from a large 1951 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.