American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, Logan, George Wood, 1868-1915, United States. Navy Dept. Bureau of Equipment · Washington, Govt. Print. Off · leaf 88
ts by such a line to represent the great circletrack between them. The courses and distance are readily obtainable by a methodexplained on the charts. The track may be transferred to a chart on the Mercatorprojection by plotting a number of its points by then* coordinates and joining themwith a… … THE SAILINGS. 81 190. BY COMPUTATION.—This method consists in determining a series of pointson the great circle by their coordinates of latitude and longitude, plotting them upona Mercator chart, and tracing the curve thatjoins them. The first point determined is thevertex, or point of highest…
Navigation · Nautical astronomy
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