| http://www.w3.org/ns/prov#value | - No. 593,026 15 Claims. (Cl. 126204) This invention relates to heating the suit of a diver immersed for a long period of time in cold water and more particularly to apparatus in which the heat source is sulfuric acid reacting exothermically with another liquid, such as the cold water in which the diver is immersed or with sodium hydroxide, or both.
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