Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 490
thlehem Iron Companys high-carbon nickel-steel Harveyplate. Time, 12:37:33 P. M. Gun.—Eight-inch B. L. R. I*rojectili:.—Eight-inch Firminy armor-piercing shell of 210 pounds. The point of impact was the centre of the plate. The projectile entered the plate and rebounded to the front 38 feet,… … 452 Garrison : [J. F. I,, ably at the rear of the head. On the body of the shell was- a score whichextended around the projectile at the section of a plane inclined to the axis. This score could have been formed by a rotary motion against a hardpoint, combined with a movement forward and back, and…
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