Simplified celestial navigation /

Bibliographic Details

Main Author:	Weems, Philip Van Horn, 1889-1979
Other Authors:	Link, Edwin A. (Edwin Albert), 1904-1981
Format:	Book
Language:	English
Published:	Annapolis, Md. : Weems System of Navigation, [1940]
Subjects:	Navigation (Aeronautics) Nautical astronomy.