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 136

An illustration from The elements of navigation : containing the theory and practice, with all the necessary tables, to which is added, a treatise of marine fortification ..., 1754, leaf 136 — lems, therefore fuch diftincYionsare here avoided, it being conceived that they rather tend to perplex thaninftruct a learner : Alfo in the generality of the treatifes on this fubjecVtisufually (hewn how the folutions of right angled triangles are performed bymaking (as tis called) each fide… … Q.2 THE

Navigation · Nautical astronomy · Fortification

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The elements of navigation : containing the theory and practice, with all the necessary tables, to which is added, a treatise of marine fortification ... (1754)

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