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 32
12 INSTRUMENTS EMPLOYED IN NAVIGATION. The combination of the two parts gives a disturbing force acting fore-and-aft, varying partly as the cosine andpartly as the sine of the azimuth; and a similar force acting athwartship. That part of the fore-and-aft force proportional to the cosine, and that…
Navigation · Nautical astronomy
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
