UPPER CYLINDER LUBRICATION. Automotive engineers are agreed that in modern engines the lubrication of the upper portions of cylinders at starting and low speeds is insufficient. Many methods have been attempted to provide for the lubrication of cylinders, but the one method, carrying the approval of car manufacturers, is the use of Kollag Colloidal Graphite. Kollag is now obtainable for easy addition to petrol under the trade name “Tefoll.” When Tefoil is added to petrol it reaches your engine as a vapour in which are suspended ultra microscopic particles of Colloidal Graphite. These particles become part of the upper cylinder walls, piston rings and valve stems, producing a protecting, tenacious, slippery Kollag Him. Give your car this needed extra protection. When you buy petrol ask the attendant to add ’l’efolJ.—AdvL
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Dominion, Volume 31, Issue 241, 8 July 1938, Page 15
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130Page 15 Advertisements Column 2 Dominion, Volume 31, Issue 241, 8 July 1938, Page 15
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