Prospective NASA Project Mercury astronaut, Lt. Hal R. Crandall, USN, undergoes Harvard step and tilt table test at Wright-Patterson Air Force Base, Ohio. Views of Crandall stepping up and down onto a platform. 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.
Prospective NASA Project Mercury astronaut, Lieutenant John H Glenn undergoes centrifuge test at Wright-Patterson Air Force Base, Ohio. Subject gets into the centrifuge chamber and lies down in horizontal position.
Prospective NASA Project Mercury astronaut, Lieutenant Malcolm S Carpenter undergoes centrifuge test at Wright-Patterson Air Force Base, Ohio. Subject lies down in horizontal position inside the centrifuge chamber.
Prospective NASA Project Mercury astronaut, Lieutenant John H Glenn wearing a helmet and pressure suit undergoes cold pressor test at Wright-Patterson Air Force Base, Ohio. Doctor examines him during the test.
Prospective NASA Project Mercury astronaut, Captain Robert E. Solliday, USMC, undergoes centrifuge test at Wright-Patterson Air Force Base, Ohio. Subject lies in centrifuge chamber in horizontal position. Technicians strap him. The chamber rotates on axis in circular motion.
Prospective NASA Project Mercury astronaut M. Scott Carpenter undergoes test at Wright-Patterson Air Force Base, Ohio. Astronaut Frank D Frazier seated on chair, wearing helmet and pressure suit. Technicians strap and check instruments on astronaut as he prepares for cold pressor test. Astronaut Carpenter speaks to technician through the helmet.
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