80-G-42013:  Life-Saving Equipment.  Tests of rubber life-rafts and accessories conducted by six men off Cape Fear, North Carolina.  Sea water is made drinkable by a chemical precipitation of harmful elements from the solution; by use of the water still, June 26, 1943.  Official U.S. Navy Photograph, now in the collections of the National Archives.  (2017/06/06)
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