Indianapolis Times, Volume 41, Number 19, Indianapolis, Marion County, 3 June 1929 — Page 7

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It’s a hard life for the modern motor! Traffic is congested- Engines are bmit with higher compressions. Cars are driven faster. Motors run hotter. Correct lubrication is more important than ever before. Only the richest and sturdiest motor oil will stand up under the strain! Polarine wall do it! Polarine is rich—sturdysteadfast! It covers every frictional surface of the engine with a protecting cushion of oil. By draining the crankcase every 500 miles and refilling with fresh Polarine, you insure satisfactory lubrication of your car—at minimum cost.

{INDIANA) INDIANAPOLIS - - - INDIANA

•it any Standard Oil Service Station anti at most garages

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Universal Aviation Corporation, operating fleets of passen* ger and mail planes between Chicago, Kansas City, St. Louis, Omaha, Indianapolis, Cleveland and Louisville, uses Stanolind Aviation products to protect their great Wasp and Hornet engines against friction* The mails must go!

Iso-Vis is an oil of unusual, quality. It lubricates the engine faithfully—to stand up under the strain of today’s driving. Like Polarine, Iso-Vis is rich and sturdy and steadfast. No need to drain the crankcase so frequently if you use Jso=Vis. This new type, constant viscosity motor oil gives anew type of lubrication service. It will not thin out! It wears and wears and wears! ) For smooth motor miles—and a long life to your engine—use Polarine or Iso=Vis. They are dependable products of the Standard Oil Company (Indiana). They are the motor oils you can trust

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