The American practical navigator : being an epitome of navigation and nautical astronomy (1888)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Navigation, Cooper, Philip Henry, 1844-1912 · Washington : Govt. Print. Off. · leaf 28
f reference, theMerididii. Art. 24. The circular card ofthe Compass is divided at its circum-ference into 360^, and also into 32divisions of ii-i^ each caWed. points, thelatter subdivided into half-points andquarter-points. The four principal points, calledthe cardinal points, are named afterthe… … FlG. 5. 8 INSTRUMENTS EMPLOYED IN NAVIGATION. tern. The four points 45° from, or midway between, the cardinals are named N. E., S. E., S. W., N. W.; thosemidway between the cardinals and these secondaries, by a composition of their titles, N. N. E., E. N. E., E. S. E.,S. S. E., S. S. W., W. S. W.,…
Navigation · Nautical astronomy
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