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 173
Rc£*uircd the reft … ^ --*B i ft. To find either of the otbef angles, as Z.ABC. As Rad : cof. Z_cab :: tan. ac : tan. (ad, call it) m.. (2d. 297) Or Rad : eofgiv. L. ■ tan. fide opp. L. fought: tan. [of a fourth =;) M. Like the fide opp. L. fought, if the given l_ is acute. But unlike that fide, if the given L. is…
Navigation · Nautical astronomy · Fortification
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