Shell Industrial Lubricants 1942 Ad
Shell Industrial Lubricants 1942 Ad. This June 8, 1942 ad states Helium is a Hellion to Hold. Shell Scientists Developed a dense non porous Synthetic rubber to coat cotton fabric of Barrage Balloons. Picture shows five Barrage Balloons. 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 1/2 inches wide by 14 inches tall.
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