A new treatise on the practice of navigation at sea : containing all the details necessary to enable the mariner to become a good practical navigator. (1902)
Thoms, William · New York : Printed for the author and sold by John Bliss & Co · leaf 43
etween the Ships 1st position and that of the Port, which is 50 miles, and the whole Departure 50.From which subtract the Diff. Lat. made good 23 and Dep. made good... .34. Leaves the Difference of Latitude to make 27 and the Dep. to make.. .16 Port These agree in the Tables to the Course 31°, or… … II TRAVERSE SAILING. n l>raw a figure as in the preceding example, the Ships position being in the Centre. Draw her parahel«f Latitude and her Meridian; from the Centre lay off the first Course Norlk 2 Points West 30 miles; layoff 6 Points from the South towards the East for the second Course,…
Navigation · Nautical astronomy
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