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 472
The kites will carry the 50 yard wire sweep and still remainexactly astern of these respective boats at any speed between3 and 6 knots: the distance line and wire sweep being of equallength, if the former is taut, the sweep will be taut also.
Hydrographic surveying · Nautical charts
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