National Geographic : 1917 Oct
1Wh-r-r! Whr-r-r! Whr-r-r-r-r-r-r! S Spare your batteries How winter starting is often made easier Sby a lower-cold-test oil y OU press on your lubrication. The lubricating re Sbut nin quirements of your car may demand astatr different grade of oil in winter. summer. Whr-r-r! The engine is under way. Winter lubrication requires rw. special study. There are many But winter comes. Whr-r-r factors to reckon with. The type u of feed system is one. The size of Whr-r-r-r -r! Whr-r-r -r -r -r -. the oil drillings is another. Ex S Now starting is difficult, posed oil piping is a possible third. SOther factors also enter in. S Why? , thee c All these factors are carefully T t i i considered by the Vacuum Oil And gasoline vaporizes less Company engineers in making up readily. Starting is helped if the Chart of Recommendations. you prime the cylinders, flood the carburetor or heat the in- Of the 1917 cars, 112 require a take manifold. different grade of oil to meet win ter conditions. But there is one factor in over coming this trouble that many car The correct winter oil is listed owners overlook. This is-correct for each make ofcarin our Complete nII I I II I IIII II I111 IIII IIIIIi 11 l iiii i IIII III I III Ii i iii ii iiiii iiiiii llinii II i IIll IIiiiiIIIIII ii III iiIIIIIIIIIIIIiiiiiiIIIIIIIII l iiiiiiiii lllluIii llIIlIIIIIIIIIIIIIIIll IIIIII11111 111111i1111111 II IIIIIIIIIIII iiiiii "Mention the Geographic-It identifies you."