National Geographic : 1940 Feb
, i auonai ueograpnmc aociely NOW THEY WRAP YOUR ROAST IN TREE DROPS A rubber bag made from liquid latex is inflated to balloon size; then, when air is drawn from the bag, it fits a side of beef, or a fowl, like a glove. Australia is shipping tons of rubber-wrapped beef to war-rationed England. jsoaacnromes oy vvliaru 1a. %uiver YOU LAUNCH THIS FLOATING ZOO WITH ABICYCLE PUMP By hand girls cut beach toys from raw rubber sheets, compounded to be salt-water-proof. Thenthey cement the parts sotheanimals will float upright. After vulcanizing,theswan will beready forblowing up.