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 272
39. As RadTo dill.So fin. Cou. To dep. r± 900 00- iojooooO=: 768 m. 2,88536 - 33 45 9^74474 Anfwer Then Lat. fromdiff. lat. Lat. inDepart. —- 426,7 m. 2,63010is S. 10 39 N. , 7 14 N.426,7 miles* ^UEST. II. Tejlerday noon we were in Lat. 380 32 N. and this day atnn we are in Lat. 36 56 N.; we have… … ^onst. Defcribe the quadrant Amp, draw the meridian ad = 96,St draw db parallel to Ap; with 132 m. from a, cut db in b. Adift.TRadScUff. lat. Computation. — 132 m.= 90 oo= 96 m. 7>87943 10,000001,98227 As RadTo dift.So fin. Cou. To dep. — 900 oo 10,00000= 132 m. 2,12057 =. 43° 20= 90,58 tcof.…
Navigation · Nautical astronomy · Fortification
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