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Comte de Paris, History of the Civil War in America. Vol. 1. (ed. Henry Coppee , LL.D.), Book III:—the first conflict. (search)
by five or six men. We shall indicate the effect they produced in telling of the numerous sieges which characterized that war. It will be sufficient to state here that in calculating the relations existing between the calibre of their heaviest guns, the weight of the ball, and that of the charge of powder, the Americans departed from the principles adopted in Europe, and particularly in England. Having neither the time nor the means to give their heavy rifled guns the strength of those of Armstrong or of Krupp, but being able to construct them of as large a calibre as they desired, they reduced the charges of powder to an eighth, and even a tenth, of the weight of the ball. Owing to the large dimensions of their guns, they were able to produce results then entirely new, although they have been surpassed since. Thus, with a gun not able to bear more than one-fourth of the charge of an Armstrong gun, and throwing the same ball, they obtained for this ball a velocity only one-half les