Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 475
on : [J. F.I.. A bulge was formed on the face of the plate n75 inches in diameter.Near the head of the projectile the mstal of the plats was dished in andscarcely distinguishable from that of the projectile remaining in the plate. Afew radial hair cracks were m the bulge, of varying lengths, none… … Fig. 21.—Harvey high-carbon nickel-steel, Bethlehem. There was a discoloration of the backin, opposite the back bulge, but noindent. (See Figs, iq, 20, 21 and ii.) •. Roimd ij. Fifth shot at Carnegie, Phipps & Co.s high-carbon nickel-steel plate.Time, 129:48 P. M. Gun.—Eight-inch B. L. R.…
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