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| | Q. A. Gillmore's Observations on the Bombardment of Fort Pulaski |
 | | The tower was of brick, fifty-six years old, and designed for one gun, the wall being 7½ feet thick at the level of the ground and thick at the spring of the vault, which was 19 feet above the ground. |
 | | A practicable breach, 24 feet wide, including most of the arch, was made with an expenditure of 10,850 pounds of metal, at a distance of 1,032 yards. |
 | | Trials were subsequently made to breach a similar tower from smooth-bored 68 and 32 pounders at the same range of 1,030 yards, and the result may be deemed altogether a failure, both accuracy of fire and velocity of missiles being quite deficient for such a range. |
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