he first New Jersey railroads. In all of his In 1812, Colonel John Stevens proposed to construct an 1827; and, in the same vessel, he applied the hog frame to engineering operations, Colonel Stevens was aided by his Ironclad floating battery, which was identical in all its lead- stiffen the long,… … ing on the shot-resisting power of the adoption ' f his plan rather THE STEVENS BATTER'S IN THE DRY DOCK, HOBOKEN, N. J. ) 1874 SCIENTIFIC AMERICAN, INC.
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