Shell X 100 Alkaline Motor Oil 1951 Ad acid attacks engine
Shell X 100 Alkaline Motor Oil 1951 Ad. This color June 25, 1951 ad states your engine makes this much Acid every day. New Alkaline Shell X 100 Motor Oil Neutralizes Acid Action. Picture shows Hand holding tube of acid with vapor coming out of it attacking Engine. 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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