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 97
nd thenfollow carefully the course parallel to the line ofposition toward the land or point required, keep-ing tlie lead going. Of course, it will be knownby the soundings tlie approximate position ofthe ship, as in Fig. 39, whether between B andE, or outside of B. There must be considered also the… … ^ I i NAUTICAL ASTRONOMY. CHAPTER I. DEFINITIONS. Art. 1l57. That branch of Navigation which relates to the determination of a ships place at sea by observationsthe heavenly bodies, or Celo-Navigation, requires a knowledge of the rules and principles of Nautical Astronomy.— An observer upon the…
Navigation · Nautical astronomy
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