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Orientation
Provides a text and reference book covering the principles of orientation. Orientation is defined as "the accurate location of datum points and the establishment of lines of known length and direction".
Date:
July 15, 1941
Creator:
United States. War Department.
System:
The UNT Digital Library
Radiotelephone procedure
"The purpose of this manual is to acquaint radio operators and pilots of the Army Air Forces with radiotelephone procedure"
Date:
March 20, 1943
Creator:
United States. War Department.
System:
The UNT Digital Library