Elements of plane and spherical trigonometry (1833)
Young, J. R. (John Radford), 1799-1885 · Philadelphia, Carey, Lea & Blanchard · leaf 76
t course and distance from the place left to the place arrived at. PRINCIPLES OF NAVIGATION. 71 Traverse Table. Courses. Dist. Difference of Lat. Departure. N. S. E. W. S. W. byW. 45 250 37-4 E.S.E. 50 191 46-2 s. w. 30 21-2 21-2 S. E. by E. 60 33-3 49-9 S. W. by S. i W. 63 50-6 37-5 149-2 961 961… … It appears also that the departures east are equal to the departureswest, so that the ship has returned to the meridian she sailed from, con-sequently the direct course from the place left to that come to is duesouth, and the distance is equal to the difference of latitude, which is149-2 miles. The…
