Mercury astronaut candidate Hal Christian undergoes an Equilibrium test at Wright-Patterson Air Force Base, Ohio.
Ohio United States USA Date:1959, February Duration:1 min 33 sec Sound:NO SOUND
NASA Project Mercury astronaut, Major Harold W. Christian, Jr.,USAF, undergoes an Equilibrium test at Wright-Patterson Air Force Base, Ohio. Subject is seated on a chair which rotates simultaneously on two axes. He maintains the chair on an even keel by means of a control stick with and without vibration. Subject is blindfolded.
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