A manual of naval architecture. For the use of officers of the Royal Navy, officers of the Mercantile Marine, shipbuilders, shipowners, and yachtsmen (1889)
White, W. H. (William Henry), Sir, 1845-1913 · London, J. Murray · leaf 198
curve (a trochoid, CHAP. V. DEEP-SEA WAVES. ^11 marked P, a.^^ l^, c^ 1h in the diagram) which is the theo-retical wave profile from hollow to crest, P marking the hollowand 7^2 the crest. The trochoid may, therefore, be popularlydescribed as the curve traced on a vertical wall by a marking-point… … To determine a point on the trochoid is very simple. With0 as centre and OP as radius describe the circle PcA. As therolling circle advances, a point on its circumference (say 3) comesinto contact with the corresponding point of the directrix-lineQR; tlie centre of the circles must at that instant…
Naval architecture
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