Astronaut John Glenn tests balance mechanism performance

1962-02-01

NASA
Washington, DC, United States

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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Title: Astronaut John Glenn tests balance mechanism performance
Date Created: 1962-02-01
Rights: JSC
Album: rlobrie1

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Astronomy John Glenn