Comparison of Demand Scuba: Evaluation Report.
NAVY EXPERIMENTAL DIVING UNIT WASHINGTON D C
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The report provides a comparative analysis of four open-circuit demand scuba and derives performance standards against which other open-circuit scuba may be compared. The comparative analysis covers the U.S. Divers Aqua-Lung, and three commercial units the Air Lung, the Hydro-Pak, and the Div-Air. The analysis is based on performance records made during evaluation of the four scuba for Naval service, and includes both objective and subjective performance records. Modified author abstract
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