Evaluation of the Constant Partial Pressure Oxygen Underwater Breathing Apparatus,

摘要

The object of this test is to evaluate and determine the potentialities of the constant partial pressure self-contained oxygen underwater breathing apparatus (Marion Device) submitted by the Old Dominion Research and Development Corporation, Erion, Virginia. The tests have been conducted in such a manner that the following performance data could be recorded: (a) Analysis of gas, and fluctuation of analysis from the normal. (b) Reliability of the analyzer and of the control valve. (c) Endurance of the unit. (d) General comfort and performance of the underwater breathing apparatus.