NASA Project Mercury candidate undergoes test at Wright-Patterson Air Force Base, Ohio. Astronaut Donald K Slayton undergoes equilibrium test. Subject 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, normally and blindfolded
NASA Project Mercury astronaut candidate Lt. Hal R. Crandall, USN undergoes Flack and Cold Pressor test at Wright-Patterson Air Force Base, Ohio. Subject blows into a tube for a given period of time to support a column of mercury. He also plunges his feet into a tub of ice water. Doctor examines pulse and blood pressure before and during the test.
NASA Project Mercury candidate Lt. Hal R. Crandall, USN, undergoes 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.
NASA Project Mercury candidate Captain James W. Wood, USAF undergoes test at Wright-Patterson Air Force Base, Ohio. Astronaut James Wood undergoes Harvard step and tilt table test. 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.
NASA Project Mercury candidate undergoes test at Wright-Patterson Air Force Base, Ohio. Astronaut Archie T Iddings undergoes Equilibrium test. Subject 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, normally and blindfolded.
NASA Project Mercury astronaut candidate Captain Donald K "Deke" Slayton, USAF, undergoes Equilibrium and Vibration test. Subject 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, normally and blindfolded.
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