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 192
fum = 96 584 9,9967 Sin. 4; difF. == 2009^9,5373 Sum of four Logs\ fum gives 48* 25^ I9»7479_ 9>8739i| \ Thefup. of its double is 830 09 = cjd : HereZ-c=E=i2 5°2o//Lb=f=: 62 52 To find the fide bc. (528) Sup. Z. a=0=131 29 E—F = D= 62 28 0+0=193 57c—D= 69 OJ 36058£=$fum 34 30*=* (Jiff. Ar. Co.… … THE ELEMEN O F M A V I G O F BOOK V.GEOGRAPHY. SECTION I. Definitions and Principles. £2.A>|EOGRAPHY is the art of defcribing the figure, rriagni-\Jf tude, and pofitions of the feveral parts, of die furface of theearth. 553. The Earth is a fpherical or globular figure *; and is ufually• lied the…
Navigation · Nautical astronomy · Fortification
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