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 223
runk one uponanother, on what is called the principle of initial tensions.Suppose that we have two hoops of steel, one larger thanthe other and of st:ch dimensions that the inner diameterof the larger is slightly less than the outer diameter of thesmaller. If we expand the larger by heat, slip it… … NAVAL ORDNANCE 191 will be more or less compressed. In this condition, thefirst effect of a pressure from the inside will be to expandthe inner tube, relieving the compression without puttingany strain upon the metal. By the time it has enlargedsufficiently to begin to feel a strain, the outer tube…
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