Shell Research 1944 Ad
Shell Research 1944 Ad. This color March 6, 1944 ad states How to Hit a Target 2 miles underground. Picture shows how with the assistance of a Shell invention a well on fire or blown out by gas can be brought under control. 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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