The elements of navigation : containing the theory and practice, with all the necessary tables, to which is added, a treatise of marine fortification ... (1754)
Robertson, J. (John), 1712-1776, Adams, Charles Francis, 1807-1886, former owner. BRL, Adams, John, 1735-1826, former owner. BRL, Boston Public Library) John Adams Library BRL · London : Printed for J. Nourse ... · leaf 267
m the Lot. 470 30 N. toLot. 46s 08 N. What dijlance has fve run^ and what departure hasmade ?, By the Traverse Table. ^(70) Find the courfe among the degrees, and the diff. lat. in its coluirlright againft which Hand the departure and diftance in their columns.; Now taking 46? 08 from 470 30,… … By Construction. ift. Defcribe the quadrant a m cp. 2d. Make mc — rhumb of 3 points, and contlr a m till ad s— 82 miles. 3d. Thro d draw db parallel to a p, meeting line ab drawn thro c9 in the point B. Then the diftance ab meafures about 99 miles. And the departure db meafures about 55 miles, By…
Navigation · Nautical astronomy · Fortification
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