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 285
Ir the courfe. As 99 m. : 58,4m. : : Rad : t. 300 32. Or NNE.|E.h the dift, Asf. 300 32 : 58,4 m. : : Rad : 115 the diftance. LI 2 Quest. ;6o PLANE SAILING* Quest. VIII. Tejierday noon we were in lat. 330 15N. and bourua port in lat. 28° 35 N.. lying 196 miles to the wejl; and this day at nwe are… … 4 Lat. from 330 15 N.J!\ Lat. to 28 35 N. DiiF. lat. 4 40 — 280 m. Lat. from 330 15N.Lat. in 30 20 N. DifF. lat. 2 55 The figure is conftructed hy art. 698. Thus. In the meridian take ad = 280, aei175 ; in db, ec, drawn parallel to the parallellat. a />, take bd = 196, ec = 168 ; draw ab, Jcb ;…
Navigation · Nautical astronomy · Fortification
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