Shell advancing knowledge Ad 1942
Shell advancing knowledge Ad 1942. Ad was published 8/42. Color ad of a fly looking at a chemical compound of fly spray. Ad emphasizes scientist at University of Petroleum have created Crystox to improve your gas. Ad in excellent condition. Photo is taken through plastic and may show wrinkles or crookedness that is not in the ad. This magazine tear sheet measures 10 9/16 wide by 14 tall.
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