World's Tallest Thermometer

Front:
100 90 80 60 SO 40 30 20 10 10 HAVOLINE WAXFRES MOTOR OILu Century of Progress HAVOLINE THERMOMETER International Expositiom CHICAGO 1933

Back:
WORLD'S TALLEST THERMOMETER (See, other side) Twenty-one stories (218 ft.) high. Shows temperature by neon- light tubes. Sponsored by Indian Refining Company, Lawrenceville, III., makers of WAXFREE HAVOLINE MOTOR OIL-best 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. Copyright 1933, by Indian Refining Company Litho in U.S.A.--8-33