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 175
the fide ab.Now Z_g (= Z-F, by 411) is the fupplement of ab. -Therefore the /LO being found in the triangle dge by Prob. V, (508]!Will give the fupplement of the fide ab required. That is, Let the given angles be taken as the fides of another triangle.,cbfer-ving to ufe the fupplement of that angle… … SPHERICS. ■52 able containing all the cafes of Right a-r^Jed, or Quadrantlal> fpherictriangles, iviih the Solutions, and Determinations. Hyp. and a Given Required. SOLUTION. Zop.gn. leg Z. ad. gn.leg fin Hyp. : Rad :: fin gn. leg : fin. op. Z Rad : cot. Hyp. ■: tan. gn leg : cof.adj.lec- nh.…
Navigation · Nautical astronomy · Fortification
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