Shell Oil Glass Engine 1946 Ad owl
Shell Oil Glass Engine 1946 Ad. This color February 25, 1946 Shell Oil Horizons widen through Research ad states Glass engine, 2000 R.P.M. Shell Scientists have built an engine with a cylinder entirely of Glass which lets them see where the oil is and just how it stands up to its job in your car. Picture shows Owl looking through Glass Engine Cylinder with its big eyes. 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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