Astronaut Harold Christian is tested using the Harvard step and tilt table at Wright-Patterson Air Force Base, Ohio.
Ohio United States USA Date:1959, February Duration:1 min 22 sec Sound:NO SOUND
Prospective NASA Project Mercury astronaut, Harold W Christian undergoes Harvard step and tilt table test at Wright-Patterson Air Force Base, Ohio. Doctor checks subject's pulse and blood pressure. Subject steps 20 inches to a platform once every two seconds for five minutes. He also lies on steeply inclined table for 25 minutes to measure ability of the heart to compensate for body in an unusual position for an extended time.
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