A treatise on surveying and navigation: uniting the theoretical, the practical, and the educational features of these subjects (1852)
Robinson, Horatio N[elson], 1806-1867. [from old catalog] · Cincinnati, J. Ernst · leaf 196
of thewind, nor the position of the ship,northe sails, with respect to it; thewind would therefore continue to propel the ship in a directionparallel to AB, in the manner as if the current had no existence.Hence, as she would be swept to the line CD, by the independentaction of the current, in the… … 192 NAVIGATION. Now the log heaved from the ship in the ordinary way, can giveno imitation of a current; for the line withdrawn from the reel isonly the measure of what the ship sails from the log ; and, conse-quently, as the log itself, as well as the ship, will move with thecurrent, the distance…
Surveying · Navigation
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