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A Century of Progress %u2022 Vintage PostcardsHavoline Thermometer (1933)Twenty-one stories (218 ft.) high. Shows temperature by neon light tubes. Sponsored by Indian Refining Company, Lawrenceville, Ill, makers of WAXFREE HAVOLINE MOTOR OIL%u2014best for all cars, winter or summer, because it contains no wax. Wax turns candle-hard with cold, water-thin with heat. Keep wax out of your motor! WAXFREE HAVOLINE MOTOR OIL IS SOLD AT ALL TEXACO STATIONS.Exhibitor & Concessionaire PostcardsHavoline Thermometer
