Celestial air navigation
By: prepared under the direction of the Chief of the Air Corps.
Contributors: United States. Dept. of the Army.
Series: Technical manual / War Dept -- no. TM 1-206
Publisher: G.P.O.
Published: 1941
Place of publication: Washington
Language: eng
Number of pages: 226
Subjects: Navigation (Aeronautics)
Other titles: Department of the Army technical manual.
Notes: Cover title.

At head of title: Restricted.

Includes index.