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 182
)making with the primitive the given angle bac48 oo, cutting ob in c. Then is acb the triangle required 2d. To put the required kg on the primitive. In the right circle ob, take (447) ab, equalto the given leg 54 43.c Thro the point a, defcribe (452) the oblique circle cad, making with ab the angle…
Navigation · Nautical astronomy · Fortification
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