Aeronautic Instruments. Section VI : Oxygen Instruments (1923)
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t all altitudes. The flow indicator is merely a turbine of light construction against which the oxygen from the aneroid control valve impinges in passing to the masks. The rate of rotation of the turbine gives a rough indication of the rate of flow of oxygen through the apparatus. CLARK-DREYER AND… … Fig. 3.—American-Dreyer Oxygen Apparatus. of cast aluminum instead of brass and provided with lugs with which to fasten the instrument the airplane. The case is of cooper-plated pressed steel and fits tightly over the base, to which IS fastened by screws instead of being a complete box of brass as…
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