Medicine: Air Disease

Captain Harry George Armstrong, a salty ex-Marine doctor, is director of the Army's efficient Aero-Medical Research Laboratory at Wright Field, Dayton, Ohio. Ten years ago Dr. Armstrong made his first parachute jump from an altitude of 2,200 feet, then published a cold, detailed medical report on his "free fall in space."

"The period of free fall," he wrote, "was remarkably free from abnormal physical sensations. . . . Consciousness was unclouded, and ideation [thought] was rapid, precise, penetrating and clear."

Last week Dr. Armstrong officially opened a new branch of medical science with a weighty tome, Aviation Medicine

(Williams & Wilkins, $6.50), first book...

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