Celestial navigation
Subtitle: prepared for aircraft flight crews
By: by Elbert F. Blackburn.
Contributors: Blackburn, Elbert F.
Publisher: The Infantry journal
Published: 1944
Place of publication: Washington
Language: eng
Number of pages: 122
Subjects: Navigation (Aeronautics) -- Problems, exercises, etc.
Notes: Reproduced from type-written copy.
"Originally published by Airlines war training institute."