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 40
s the magnetic course corresponding to course by compass N. E. by E. ? N. 74° E. To find the Compass Course, having given a Magnetic Course. On the vertical line take the given magnetic course. Move in a direction parallel to the plain lines till thecurve is reached, then back parallel to the… … INSTRUMENTS EMPLOYED IN NAVIGATION. 17 ExAMri.K. What is the compass course corresponding to a magnetic course S. 71° W. ? West. By comparing the (hagram with the deviation table in Art. 58 its construction will be readily seen. CORRECTING COURSES. Art> CO. In Fig. 20, NCS represents the…
Navigation · Nautical astronomy
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