EFFECTS OF DEPRIVATION OF OXYGEN 



207 



Acrll 23, 1919 11 A. If. 



cioM i it -SMca-i? r co'ESij i JV"1~ 



'groigr 



.Removed J-ron xjert-ent ty, F;'cholOfal.it 



_of geordir.ii'.ed rejucnsejj ; 



Capt. Rot;ere Phy ..U... Kaotwood ciio.Br^Paachol p, 



le pvt, Sindlc ... . M.H.a^J'vt, Lcwey ... O, * .ml Si s.,,h- 



Lejcnd O, % _._^> n | M _ _ _ _ _ft Mp . j n d K i|. fa. m m. _ 



April 23, 1919. No. 6589, second lieutenant, Air Service, pilot, twenty-eight, 

 single, superintendent of public schools. 



No service overseas. One hundred and thirty hours flying, maximal altitude 

 10,000 feet for 15 or 20 minutes. 



Suffering from nasal catarrh; condition otherwise good. 



Well composed. No disturbance when mouthpiece was inserted. Consider- 

 able improvement with practice during first half of test. Deterioration began 

 in region of 16th to 17th minutes, 12 to 11 per cent 2 . Completely inefficient 

 at 26th minute (6.8 per cent O 2 ). 



