Hydrographical surveying : a description of means and methods employed in constructing marine charts (1920)
Wharton, W. J. L. (William James Lloyd), 1843-1905, Field, Arthur Mostyn, 1855- · London : J. Murray · leaf 183
the ship andthe peak. Each fix is plotted by drawing the arc of a circle, with theship as a centre, at the distance corresponding to the mast-headangle ; and setting the observed angle between the ship andpeak on the station pointer, with its centre resting on the arcof the circle, bring one leg to… … CHAP, v.] USE OF THE SHIP FOR TRIANGULATION 163The error involved in this method is due— (1) To any movement of the ship. (2) To the error in the assumed distance of the peak. As regards (1), the error is inherent to any method of floatingtriangulation, and cannot altogether be avoided, although…
Hydrographic surveying · Nautical charts
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