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December 27, 1941

Government Services

JAMA. 1941;117(26):2265. doi:10.1001/jama.1941.02820520061024

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New Facilities for Research in Aviation Medicine  A temporary building is now under construction adjacent to the laboratories of the Division of Industrial Hygiene, National Institute of Health, at Bethesda, Md., to house new facilities for research on problems of aviation medicine, according to Industrial Hygiene. This building is intended primarily for a new low pressure, low temperature chamber and accessory refrigerating equipment for the purpose of testing apparatus of all kinds used by aircraft personnel, including such items as oxygen equipment and clothing. The new decompression chamber is expected to provide simultaneous rapid lowering of temperature and pressure to simulate ascent from the ground at atmospheric pressure and 70 F. temperature to an altitude pressure equivalent to 45,000 feet and a temperature of —70 F. The rapid change of temperature and pressure obtainable will exceed that encountered in ascent by any modern aircraft. The only other installations of this

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