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 115
8 1 . … 2 *» ^ ^ tch nintr dow paper tor continuous panorama. CHAP. IV.] SKETCH 95 The great thing in a sketch is to place objects fairly cor- importantrectly with regard to each other horizontally considered ; e.g., observe,if there is a hill with a point nearly underneath it, take carethat the latter is…
Hydrographic surveying · Nautical charts
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