A treatise on ship-building and navigation. In three parts, wherein the theory, practice, and application of all the necessary instruments are perspicuously handled. With the construction and use of a new invented shipwright's sector ... Also tables of the sun's declination, of meridional parts ... To which is added by way of appendix, an English abridgment of another treatise on naval architecture, lately published at Paris by M. Duhamel .. (1754)
Murray, Mungo, d. 1770, Duhamel du Monceau, M., 1700-1782. Treatise on ship-building · London, Printed for D. Henry and R. Cave, for the author · leaf 280
his,let there be two iflands A in 32° 41, andB in 20^ 53, both north latitude, and let their difference of longitude be7.15, or 145 leagues, that is to fay, if there be a meridian drawn thro A,and one thro B j their greateft diftance will be upon the equinodlial, utz.145 leagues, but thefe…
Shipbuilding · Navigation
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