National Geographic : 1929 Nov
"THROUGH THE SKYWAYS ON THE HIGHWAYS " AT THE BOTTOM OF THE WORLD THE unfailing, harmless protection against frozen motors provided by one supply of Eveready Prestone has won for this perfect anti-freeze the highest endorse ment wherever it has been used. When giant dirigibles take the air in winter weather, when a water-cooled Army plane ventures into frigid altitudes, when motors must operate in the intense Antarctic cold, Eveready Prestone is the first thought for protection. It possesses all the properties which the National Bureau of Standards has pointed out as essential for an anti freeze. Safest, most economical The discovery of Eveready Prestone has given every motorist the opportunity to discard freezing worries. One supply of this perfect anti-freeze will keep his car in complete safety, all winter, no matter how soon it is put in the car or how long winter lasts. Its unfailing protection makes it un necessary to buy Eveready Prestone more than once-a single investment provides certain, harmless, all-season insurance against any possibility of a freeze-up. Prepare your car It is time now to have Eveready Prestone in your automobile. Before you add anti freeze, however, be sure your car is ready for winter. Cold-weather driving demands free-flowing, winter-grade lubricants in crankcase, transmission and differential. Battery, spark plugs and ignition cables ought to be at their best. The all-important cooling system should be in perfect order.