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
To find the other angle. (519) Is Rad r= 900 oo 10,00000 ocof. giv. leg.zr 54 43 9,76164 iofin.giv. /L. = 48 00 9,87107 focof. req. Z. := 64 35 9,63271 And is 4ike the given angle. To find the other leg. (520) As Rad — 900 oo 10,00000 To fin.giv. leg = 54 43 9,91185 So tan. giv. Z. =48 00 10,04556…
Navigation · Nautical astronomy · Fortification
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