Wounds in war : the mechanism of their production and their treatment . * * E&fcj Hi V Hill \ 1 v \ 1 A ? ??. \\ \ \ ? «H Fig. 15.—This bullet has just passed through a piece of black card-board.—Boys. HYDRAULIC THEORY 65. have proved that this method of accounting for explosiveeffect is unsound ; for Coler has shown that as much, oralmost as much, and certainly quite similar damage isdone by a rifle-bullet to the walls of a leaden vessel filledwith water but left open at the top. In this case it isimpossible that the pressure on the inner surface of thevessel can be increased in any appreciab
Wounds in war : the mechanism of their production and their treatment . * * E&fcj Hi V Hill \ 1 v \ 1 A ? ??. \\ \ \ ? «H Fig. 15.—This bullet has just passed through a piece of black card-board.—Boys. HYDRAULIC THEORY 65. have proved that this method of accounting for explosiveeffect is unsound ; for Coler has shown that as much, oralmost as much, and certainly quite similar damage isdone by a rifle-bullet to the walls of a leaden vessel filledwith water but left open at the top. In this case it isimpossible that the pressure on the inner surface of thevessel can be increased in any appreciable degree, becausethe fluid is free to escape at one end; and yet theeffect as regards damage to the vessel is the same. Thatit certainly is due to some action which takes place in thefluid is evident, fqr on firingthrough a similar emptyleaden vessel no damage isdone to it except the pro-duction of the holes ofentrance and exit; the hydraulic theory, how-ever, does not explain whatoccurs. The condition of the ex-perimental sealed tin orleaden vessel when fired into,is quite different from thatof a limb or body when tra-versed by a bullet. Themetal vessel is full; at themoment the bullet strikes,it is incapable of
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