Artist Unknown Defense Needs Rubber 1942. Clever photomontage shows a tractor towing a 155 mm. Long Tom that rolls along on ten oversized tires to support its enormous weight. Low angle emphasizes the huge size of the weapon. Massive gun the symbol of American might, is set against simplified rendering of a tire, which also suggests a target. A single red arrow points not only to the slogan but also the barrel of the gun. 40×28 near mint, conservation backed.