Original oil and gas trade magazine vintage ad for FISHER GOVERNOR COMPANY of Marshalltown, IA. The Name Fisher on a Diaphragm Motor Valve Tells You That It Is Custom Designed, Engineered and Manufactured to Fit Your Application - With the Ultimate in Dependability, Economy and Trouble-Free Performance. World leader in research for better pressure and liquid level control. Unique 1955 old oilfield petroleum industry equipment magazine advertisement. On the reverse side is an ad for CLIMAX ENGINE & PUMP MANUFACTURING COMPANY of Chicago, IL. Climax Power. In South Texas, Republic Natural Gas Company knows first-hand Climax's reputation for long economical service. Their Climax Blue Streak V-122's are giving dependable, economical service 24 hours a day. Where Power Is Your Problem, Climax Is The Answer. Climax Blue Streak Engines. Old 1955 petroleum industry drilling equipment advertisement. Approximate size 9 x 12 inches. Slight binding crease upper left side of the page.