Original oil and gas trade magazine vintage ad for AMERICAN MANUFACTURING COMPANY OF TEXAS of Fort Worth, TX. Hardest Workers On Your Leases. Pictured is the powerful, efficient T10-D57A American Pumping Unit. Unique 1955 old oilfield petroleum well drilling equipment magazine advertisement. On the reverse side is anad for INGERSOLL-RAND of New York City, NY. On Any Service I-R Gas-Engine Compressors Offer Two Basic Advantages. Pictures are eight Ingersoll-Rand KVG gas-engine compressors which provide a total of 10,560 horsepower for a gas compression station of the Permian Basin Pipeline Company, a subsidiary of Northern Natural Gas Company. Ingersoll-Rand compressors, air tools, rock drill, turbo-blowers, condensers, centrifugal pumps, diesel and gas engines. Old 1955 petroleum industry equipment magazine advertisement.