Shell X 100 Motor Oil 1951 Ad
Shell X 100 Motor Oil 1951 Ad. This color November 12, 1951 ad states Your engine makes this much acid every day and its Acid Action, not friction that causes 90 percent of engine wear New Alkaline Shell X 100 Motor Oil neutralizes Acid Action. Picture by Artzy Basheff shows hand coming out of engine holding cup of acid. Acid man is pointing finger at 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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