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July 24, 1943


JAMA. 1943;122(13):877-881. doi:10.1001/jama.1943.02840300037013

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MEDICAL OFFICER BAILS OUT AT 40,000 FEET  A parachute jump from 40,200 feet was made by Lieut. Col. William Randolph Lovelace 2d near Euphrata, Wash., on June 24 to test oxygen equipment developed under his supervision for the Office of the Air Surgeon, Army Air Forces, the War Department announced on June 30. It was his first parachute jump.Colonel Lovelace, 35 year old chief of the aeromedical laboratory at Wright Field, Dayton, Ohio, bailed out into air registering a temperature of 50 degrees below zero. He landed in a wheat field.The bail out equipment consists of a small cylinder containing about twelve minutes' supply of oxygen sewn in the flier's clothing and connected to his mask by a tube. Fliers bailing out of a plane must disconnect their masks from the plane's regular oxygen supply. Since unconsciousness occurs within fifteen seconds without oxygen at

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