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Steam turbines .. . massive dynamic producers of vital energy . . . are the giants of modern power on land and sea. They are built with the nicety of a watch and balanced with the delicacy of an airplane propeller. ‘They require special lubricants of the very highest quality. That is why— Gargoyle D.'T. E. Oils lubricate more steam turbines on land and sea than any other brand of oil in the world The world leadership of the Vacuum Oil Company in the lubrication field is the natural consequence of its ability to manufacture oils of the highest quality, specially fitted to the important job that each must perform. Every marine engineer knows that efficient operation of marine machinery depends very largely upon the lubricant and the method of applying it. Experi- enced Vacuum Oil Company representa- tives in more than 300 of the world’s leading ports are ready at all times to offer expert aid in solving your own par- ticular lubricating problems. VACUUM OIL COMPANY Specialists in the manufacture of high-grade lubri- cants for every class of machinery. Obtainable everywhere in the world. QUALITY BRINGS LEADERSHIP GAREON Bp > Marine Oils A grade for every type of service MARINE REVIEW— August, 1930