Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 473
large throui^-h crack. Round 7 Third shot at liMhlehcm iron Companys high-carbon nickel-steel plate.Time, 9:53:20 A. M. Gun.—Six-inch B. L. R. The point of the imp.ict was 24 inches from the bottom and 24 inchesfrom the lefc side of the plate. The projectile entered and rebounded unbroken 10 the… … June, 1892.] Developvieni of American Armor-plate, 447 The projectile was shortened 011 inch and expanded at the bourrclct 003inch, at the body 008 inch, and at the base 0*02 inch. The penetration of the point was 11*87 inches. A bulge was formed on the face of the plate 18 inches in diameter with…
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