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 97
999330678348022 -yj* F<*vli =VJ+Vd* =1,9999832668887013 ■9I* ^VH1 =\/2-f F^vii =1,9999958167178004 tjV* *** =1/2-1-^:^=1,9999989541791767 Now Fdix the fupplemental chord of -j-^ being known; the chordA diK of rrrz Part °f the femicircumference, or of -yeVz Part °f l^e wholecircumference, is alfo… … GEOMETRY. ^ 269. The fide of a fimilar polygon cir cumfcr thing theD fame circle, ivbofe centre is C7 may he thus found. Let be be the fide of the ctrcumfcribed polygon;and draw bc, ec, cutting the circle in d and a . Draw da, and it will be the fide of the infcribedpolygon; and is parallel to be.…
Navigation · Nautical astronomy · Fortification
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