Perception of the horizontal or vertical with head upright, on the side, and inverted under static conditions and during exposure to centripetal force
By: Ashton Graybiel and Brant Clark.
Contributors: Clark, Brant.; Naval School of Aviation Medicine (U.S.); United States. National Aeronautics and Space Administration.
Publisher: U.S. Naval School of Aviation Medicine, U.S. Naval Aviation Medical Center
Published: 1961
Place of publication: Pensacola, Fla
Language: eng
Number of pages: 13
Subjects: Visual perception.; Gravity -- Physiological effect.
Notes: "Bureau of Medicine and Surgery research project MR005.13-6001, Subtask 1, Report no. 60."

"NASA order no. R-1."

"Joint report, United States Naval School of Aviation Medicine and the National Aeronautics and Space Administration"--Cover.

Includes bibliographical references.