80-G-707442:  Deep Sea Diving School, Naval Gun Factory, Washington, D.C.  Student divers simulate return to the surface pressure in the recompression chamber.  They are taught the use of the oxygen in reviving a victim of the “bends, the result of improper decompression, released February 3, 1950.     U.S. Navy Photograph, now in the collections of the National Archives.  (2016/06/14).
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