The mariners' handbook; a convenient reference book for navigators, yachtsmen, and seamen of all classes (1906)
International Correspondence Schools, Roden, Ernest Konrad, 1866-, International Correspondence Schools. Pocketbook · Scranton, Pa. : International Textbook Co. · leaf 239
and at the same time a con-siderable part of its face is dished a little, the whole ofthis action resulting from the elasticity of the plate and itssupporting structure. This spring of the plate is unfavor-able to penetration; the point of the projectile would breakthrough the face of the plate… … Fig. 3 finds the plate comparatively rigid. This is a favorablecondition for the action of the point, and it gets throughmore easily than it would if the plate were yielding whileit (the point) was trying to get in. We must, of cour.se,recognize that the total work done in the plate is no greaterin…
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