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 71
vides it intofixteen equal parts, £sVFor at each operation, the intercepted arcs are bifecled. 563. PROBLEM XIII. To defcribe a circle, whofe circumference jhall pafs thro three given pointsA, Bj c, provided they do not lie in one right line. Operation, ift. Bifeft the diftance cb withthe line D E.… … GEOMETRY. 5* 164. PROBLEM XIV. To draw a tangent to a given circle, that Jhall pafs throy a given point A. When a is in the circumference of the circle. Operation, ift. From the centre c, drawthe radius ca. 2d. Thro a draw b D perpendicular to ca(149). and b d is the tangent required. This depends…
Navigation · Nautical astronomy · Fortification
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