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 114
Rough Sketch fro To face p. 94. K O K O ^ ¥ I L LIGHTHOUSE JULY … A showinof method of marking angles, elevations, depressions, &c., and al^ mode of tur 24Tn,
Hydrographic surveying · Nautical charts
Internet Archive · Biodiversity Heritage Library · Public Domain Mark 1.0. Free to use for anything.
