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 158
ECTION 130 SPHERICS. SECTION IV.SPHERICAL TRIGONOMETRY. Definitiins and Principles. 462. I. Spheric Trigonometry is the art of computing the meafures of ithe fides and angles of fuch triangles as are formed on the furface of a Ifphere, by the mutual interfe&ions of three great circles defcribed…
Navigation · Nautical astronomy · Fortification
Internet Archive · Boston Public Library · Public Domain Mark 1.0. Free to use for anything.
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