Four types of aerial navigation; problem of finding position by celestial bodies; system used at sea greatly simplified; two systems developed for day and night work, respectively, are described with details of equipment employed. (two on supp. plates)
Aerial navigation
U. S. Naval Inst. -- Proc
United States Naval Institute -- Proceedings ; 55 , n 314
1929
6 pages
4 Figs.
Article (Journal)
English
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