Astronaut John Glenn tests balance mechanism performance
S64-14849 (1962) --- Astronaut John H. Glenn Jr.'s balance mechanism (semi-circular-canals) is tested by running cool water into his ear and measuring effect on eye motions (nystagmus). Photo credit: NASA
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Details
NASA ID
S64-14849
Date Created
February 1, 1962
Center
JSC
Media Type
image
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