Shell X 100 Motor Oil 1951 Ad
Shell X 100 Motor Oil 1951 Ad. This color August 18 1951 ad states your engine makes this much acid every day, about one pint, New Alkaline Shell X 100 Motor Oil neutralizes Acid Action. Picture shows hand coming out from under hood of Gold car holding test tube of Acid. Acid demon is pointing at car. 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 1/4 inches wide by 13 1/2 inches tall.
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