Port of Stockholm: This map Watch for succeeding ones. Vacuum Oil Company 4 \\ is one of a series. ROACHES te STOCKHO APP L x ad M Pz a oS «ff; - Py ® Gargoyle Marine Oils can be purchased here and in more than 300 of the other leading ports of the world. A ship’s earning power depends on Lubrication Reduce friction through correct lubrication and you save power, which is another way of saying that you save fuel. We need hardly remind you that the cost of fuel and supplies forms a large pro- portion of a ship’s entire operating cost. And here is an interesting fact: experience shows that correct lubrication, while it saves fuel, actually results in an additional saving in the amount of lubricants used. The most dependable marine lubricants —if you are to judge by records of performance and world-wide choice— areGargoyle GRREOM There is a Vacuum Oil representative in each of 300 ports throughout the world. He is interested ‘in seeing that your lubrication dollars pay the highest possible return. Feel free to call on him at any time for lubrication knowledge and counsel. He will gladly explain our Marine Purchase Agreement, which provides for deliveries against receipt at the time and the place desired. NOTE: On request we will send you, without obligation, our authoritative marine lubrication treatises: “Steam- ships with Reciprocating Marine Oils. These oils are: uni- M bd Oil Engines,” “Turbine Propelled form in quality; manufactured arine ] S Steamships.” Write for your expressly for the use intended. A grade for each type of service oan iy ee oe sei eg of i igh-grade lubricants for every class of machinery. N y k Obtainable everywhere in the world. ew OY 3 « o ~ copies. MARINE REVIEW—April, 1928