Are you fit to be a pilot!
By: by Ermin L. Ray and Stanley Washburn, jr., illustrated by J. McA. Smiley.
Contributors: Washburn, Stanley, 1908- joint author.
Publisher: W. Funk, inc.
Published: 1941
Place of publication: New York
Language: eng
Number of pages: 61
Subjects: Air pilots.
Notes: Illustrated lining-papers.
"Ocular muscle-balance, chart 3B" mounted on p. [25]