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For example, the 10-1/2-inch Armstrong 150-pound shot, thrown by 50 pounds of powder at 1,770 feet per second, has nearly twice the destructive effect upon striking, and four times as much upon passing its whole diameter through armor, as the 15-inch 425-pound shot driven by the same powder at 800 feet.
The late remarkable experiments in England firing 130-and 150-pound Whitworth steel shells, holding 3 to 5 pounds of powder, from a 7-inch Armstrong gun, with 23 to 27 pounds of powder, through the Warrior target, and bursting them in and beyond the backing certainly show that large calibres are not indispensable in fighting iron-clads.
The 10-1/2-inch Armstrong gun sent a round 150-pound shot, with 50 pounds of powder, through a 5-1/2-inch solid plate and its 9-inch teak backing and 5/8-inch iron lining, at 200 yards, and one out of four shots with the same charge through the Warrior target, namely, a 4-1/2-inch solid plate, 18-inch backing, and 5/8-inch lining.
A couple had been carried off, with twisted knees, and still the coaches were trying for more speed and diving tackles. Tom had just obliterated a 150-pound halfback, who had lost the ball, the use of his legs and his Varsity aspirations altogether. Stopped by Sweeney, on his way back up the field, Tom remarked: "Mike, this isn't football. It's war."
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