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 284
place (he failed from* Qu PLANE SAILING. 259 Quest. VI. The laft 24 hours we have run the following courfes, viz.ft SE. 40 m. 2d. NE. 28 m. 3d. SW. b.W. 52 m. th. NW. b.W. 30 m. 5th. SSE. 36 m. 6th. SE. b. E. 58 m. Required the prefent latitude, departure, direc? courfe and dijlance ? Traverse… … fthe courfe. As 86,2 m.: 42 m.:: Rad : t. 25°5o/. Or SSE.^E. nearly.F thediftance. As f. 250 59 : 42 m. : : Rad : 95,87 m. ^uest. VII. Yejlerday noon we were in lat. 3018 5. and fmce then weh e plied on the following courfes, viz. t. NNE. 22 m. 2d. N. b. W. 30 m. 3d. NE. b. E. 40 m. h. ESE. 25 m.…
Navigation · Nautical astronomy · Fortification
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