Rodman columbiad. |
1 A columbiad is an American cannon, of very large caliber, invented by Colonel George Bomford, of New York, who was in the Ordnance Department in the War of 1812. These guns were used in that war, chiefly as bomb-cannon. They were introduced into the French service, with slight modifications, by General Paixhan, and are known as Paixhan guns. Those of the old pattern were chambered, but they are now cast without, and are otherwise greatly improved. The 10-inch columbiad weighs fifteen thousand four hundred pounds, and is one hundred and twenty-six inches in length. The immense columbiad of 15-inch caliber, represented in the engraving, and of which more will be said hereafter, was invented by Captain T. J. Rodman, of the Ordnance Corps. These, unlike most other cannon, are cast hollow. The original inventor of the Columbiad (Bomford) died in Boston, in the spring of 1848.
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