American practical navigator: an epitome of navigation and nautical astronomy (1914)
Bowditch, Nathaniel, 1773-1838, United States. Navy Dept. Bureau of Equipment, Logan, George Wood, 1868-1915 · Washington, Govt. Print. Off. · leaf 83
short distances, such as those covered by a vessel in a days run. 176. In Middle Latitude Sailing, having found the mean of the latitudes, thesolution is identical with that of Parallel Saiung (art. 173), substituting the MiddleLatitude for the single latitude therein employed. Example: A ship in… … Latitude left,DL, 42° 30^.0 N.4 09.4 S. Latitude left,Latitude arrived at, 42° 30 N.38 21 N. Latitude arrived at, 38 20 .6 N. ifid. latitude, 2)80 5140 25 N. Enter Table 2 -with the middle latitude, 40°, as a course; the difference of longitude (DLst.) cor-responding to the departure (Lat.) 166.7…
Navigation · Nautical astronomy
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