Shell X 100 Motor Oil Acid Action 1949 Ad blue car
Shell X 100 Motor Oil Acid Action 1949 Ad. This color April 25, 1939 ad states Most engine wear caused by Acid Action, not friction. Unique X safety factor counteracts Acid Action created by On and Off Driving. Woman in blue car with diagram showing her on and off driving from Suburb home to city. Magazine tear sheet picture is taken through plastic and may show wrinkles or crookedness that is not in the ad. This original magazine tear sheet measures 10 inches wide by 14 inches tall.
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