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Ye besa ed NARS ED A ye sth HERO evpcr Sean ey pia Oe a toni : h seeasae bt ahi em esc oe So =~ eepreee stihl a Sarin “ oF - Poise Kyi ea roe Wibod Preakie PREC 34% t's opt Laos i > aa as 3 __ " < RD PT Ey hE OE OL TARE <i 8 > ti a + or ey3 ath, a NMS RE Saba ES EN ‘ 3 ed Gs ad. é 7 The one Ly ( - sound way to figure , a | Y a When you look at it squarely, there’s really only one sound : oS fe way to figure the cost of lubricating oil—on the basis of LN | ee the service it gives. And that’s the cost per running mile, a <@ month in month out. «RE | uy ! What do you consider the major items of engine-room ib RG é expense? Experienced engineers agree—overhauling, re- e re 2 pairs, replacements, fuel and oil consumption, yearly i) ve depreciation. a lead - Gargoyle Marine Oils cannot eliminate these costs. But a ‘i ie they do go a long way toward holding them down. Here’s SG iy m3 why. Every grade is made to fit a particular type of service. AY Va The Vacuum Oil Company has specialized in scientific a \ ae lubrication for 65 years. op ms Gargoyle Marine Oils don’t work miracles. But, it would yh Be § almost seem so when you look at the scores of performance ! 8 pi records on file—five years without changing a piston ring— oe an a million miles without a major repair. The evidence is ae a pretty conclusive when you’re thinking about oil costs. y § my Vacuum Oil Company representatives are stationed in Ate Mt more than 300 of the world’s leading ports, where Gargoyle ‘ if e Marine Oils are stocked. A talk with one of these men ey é ui usually results in a new slant on this question of cost- r) y cutting lubrication. 7 a & We shall be glad to send you either of these valuable books Hy aS without any obligation: “‘Steamships with Reciprocating a ‘ hose Engines,” “Marine Lubrication — Motorships.” Address hn “€ es \ AN Vacuum Oil Company, Marine Sales Department D-5, LIEN La Ne ty 61 Broadway, New York City. , é . ie 4 an Marine Oils & ae A grade for each i , RAs type of service cat He 1k y VACUUM OIL COMPANY : Me ae LE gis A eae eens cs aac eae SE PEA ee AO este Te RRM RIEL hairs a Be ie EE. DOL OTS PEE ME ai RtlteteT} se a : 4 ; MARINE REVIEW—May, 1931