Practical air navigation.

Bibliographic Details
Main Author:	Lyon, Thoburn C. (Thoburn Cassady), 1896-
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. print. off, 1945.
Edition:	2d ed. By Thoburn C. Lyon.
Series:	Civil aeronautics bulletin ; no. 24.
Subjects:	Navigation (Aeronautics)

Cushing: Ragan Military (Does not check out)