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 156
ich a circle is tobe defcribed to cut a given great circle bdc, whofepole is p, in an angle equal to a propofed number ofdegrees. General Solution. About the given point (a)as a pole, defcribe a great circle egf. (442) About (r) the pole of the given circle bdc, de-fcribe a fmall circle at a… … B 134 SPHERICS. Note. When the given angle is equal to the diftance between the givenpoint and circle, the problem is limited; when the meafure of the angleis greater, the problem has two folutions by the circle defcribed cuttingthe given one in two points: But when the meafure of the angle is…
Navigation · Nautical astronomy · Fortification
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