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S.S.°X” used a well-known “INEXPENSIVE” OIL Even though this vessel’s governor mechanism was of necessity overhauled and cleaned about once a month, valves frequently stuck tight. Thirteen months after her maiden voyage, corro- sion and excessive deposits began to interfere with the functioning of both auxiliary and main units. Then Gargoyle Marine Oils were put into service. There has been no further trouble. & SAL 5.5. "Y” used only GARGOYLE MARINE OILS Although she has been in service four months longer than her sister-ship, the governor mech- anism of S. S.““Y” gives no trouble at all. Semi- annual routine inspections show that valves can always be lifted out by hand. There is a complete absence of troublesome deposits and no sign of corrosion. Maintenance and repair costs are, of course, held to a minimum. ... convincing proof that correct lubrication saves wear.. saves you money It isn’t often that you get a chance to compare the performance of two well-known oils in sister ships operating in the same service. This unusual comparison under actual running con- ditions proves the superiority of Gargoyle Marine Oils beyond a shadow of a doubt. And note particularly this fact. It took 13 months for S. S.“X” to develop trouble serious enough to warrant condemn- GARGOM- Steamships” or “Steamships with Reciprocating ing the oil. Daily wear seldom logs its course. Usually it takes time — or an emergency — to prove that ordinary oil is inadequate. Performance records prove that Gargoyle Marine Oils Marine Oils reduce repair and maintenance costs, lower oil costs and prolong engine life. A Vacuum represen- tative — you’ll find one in every leading port — will be glad to show you lower-cost records made in vessels powered by equipment similar to your own. In the meantime send for any of these helpful books: “ Marine Lubrication— Motorships” “Turbine-Propelled Engines”. Any of these will be sent you free, with no obligation. Just address Vacuum Oil Company, Inc., Marine Sales Dept., 26 Broadway, New York City. VACUUM OIL COMPANY, Inc. A SOCONY-VACUUM COMPANY 4 MARINE REVIEW—July, 1933