HIGH ALTITUDE FLYING - ON THE GROUND - To an "altitude of 40,000 ft." but without leaving ground level! - This sounds impossible, but is, in effect, what happens regularly at the Physiological Laboratory, here, in a decompression chamber, conditions similar to those encountered in high altitude flying are simulated, and the reactions of pilots and air crew members are carefully noted by medical observers. From information thus gained, experts devise methods of maintaining human efficiency at the highest possible level during high altitude flight. Series shows various stages in an


HIGH ALTITUDE FLYING - ON THE GROUND - To an "altitude of 40,000 ft." but without leaving ground level! - This sounds impossible, but is, in effect, what happens regularly at the Physiological Laboratory, here, in a decompression chamber, conditions similar to those encountered in high altitude flying are simulated, and the reactions of pilots and air crew members are carefully noted by medical observers. From information thus gained, experts devise methods of maintaining human efficiency at the highest possible level during high altitude flight. Series shows various stages in an "ascent". Picture issued 1942. The interior of the decompression chamber showing the oxygen installations and masks. Photographic negative , Royal Air Force


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