Naval architecture: a manual on laying-off iron, steel, and composite vessels (1898)
Watson, Thomas Henry · London; New York: Longmans, Green and co., [etc.] · leaf 254
elength of the vessel, A, B, 0; and adjusting A and C until the sightholes are in a line with B and each other, and so that the sight edgeembraces the extreme bottom points of the keel. The sight line maythen be produced on to D—any upright at the stem—and a temporaryshore placed in for the purpose… … edge L D with set square K, and line off the foot marks on the stemto about 3 feet above the load-line. It is not necessary to place anyfigures, except in shallow draught boats, below about 4 feet, as theship is never likely to draw less water. The after end may be linedoff in the same manner by…
Naval architecture -- Handbooks, manuals, etc · Naval architecture · Ships, Iron and steel
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