Mercury astronaut candidate Hal Crandall undergoes treadmill test at Wright-Patterson Air Force Base, Ohio.
Ohio United States USA Date:1959, February Duration:1 min 7 sec Sound:NO SOUND
NASA Project Mercury astronaut candidate Lt. Hal R. Crandall, USN undergoes a treadmill test at Wright-Patterson Air Force Base, Ohio. Subject walks at a constant rate on a moving platform which is elevated one degree each minute. Test continues until heart beat reaches 180 beats per minute. Hal Crandall walks bare feet on the treadmill.
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