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Experienced marine engineers look to scientific lubri- cation to keep their engines running smoothly and economically. The Vacuum Oil Company has pio- neered in scientific lubrication since 1866. For 65. » Of the example, throughout the seven seas— world’s Diesel-driven ships are correctly lubricated with Gargoyle Marine Oils— Oil Company representative is. ready at all times to confer with you on your own par- ticular lubricating problems. NOTE: We will be glad to send you, with- out obligation, either of our authoritative treatises—‘‘Steamships with Reciprocating Engines” and “Marine Lubrication—Motor- ships.”” Address your request to: Vacuum QUALITY BRINGS LEADERSHIP IXTY-FOUR years of specialization have given us a knowledge of how to deal with exacting lubrication needs which is probably unapproached by any other or- ganization in the world. Our staff of lubrication engineers is con- tinually studying different types of marine engines. When new designs and greater efficiency call for lubrication changes, they recommend the correct oil and its proper application. Gargoyle Marine Oils are sold in more than 300 of the world’s leading ports. In every one of these an experienced Vacuum Oil Company, Marine Sales Dept. D-3, 61 Broadway, New York City. VACUUM OIL COMPANY Specialists in the manufacture of high-grade lubri- ‘ants for every class of machinery.. Obtainable everywhere in the world. MARINE REVIEW—March, 1931