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 47
nding the Difference of Longitudefor each portion separately, and then adding the whole together. In like manner the Bearing and Distance between places near the Equator by this Sailing are correclBut in High Latitudes the result cannot be rendered accurate by subdividing the Distance into small… … • Or ndd together the half of the greater Latitude to the half of the less Latitude, and their half sum will J* theHidcfie Latitide required. See al8.:^ the Note at page 28. I MIDDLE LATITUDE SAILING. SI CASE I. • ihte Latit ide and Longitude^ Course and Distance given, to find the Difference of…
Navigation · Nautical astronomy
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