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 276
S ECTIC … Jf^r -V Ta</e 252 I PLANE SAILING; Q53 S E C T I O N V. Of compound courfes. 694. A Compound course is an irregular track which a fhip makes1 a known time, by failing on feveral different courfes: Or whereyo or more cafes of Plane failing are concerned. A Traverse is a Compound courfe, wherein…
Navigation · Nautical astronomy · Fortification
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