Original oil and gas trade magazine vintage ad for ENSIGN CARBURETOR COMPANY. The main office was located at 1551 E. Orangethorpe, Fullerton, CA. The branch factory was at 2330 W. 58th Street, Chicago, IL. Greatest Names in Gas Engines. This most impressive group of engine builders make up the Ensign orbit of original equipment manufacturers using our products as standard factory equipment on natural gas engines. They include Caterpillar, Waukesha, Allis Chalmers, Climax, Hercules, Kohler, Continental, White, Ready Power, Minneapolis-Moline and more. This unique 1959 old one page oilfield petroleum gas engine equipment magazine advertisement would display beautifully matted and framed.