DUTTON, BENJAMIN.
Navigation and nautical astronomy. Revisions by the Dept. of Seamanship & Navigation, U.S. Naval Academy. 7th ed.
DUTTON, BENJAMIN. Navigation and nautical astronomy. Revisions by the Dept. of Seamanship & Navigation, U.S. Naval Academy. 7th ed. © on revisions & additions by H. F. Floyd & L. H. McDonald; 2Jan42; A161397. United States Naval Institute (PWH); 16Dec69; R475329.
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