...harleston, in the early months of 1861, and when this invention was further developed, and in 1863, two years afterwards, was brought against Fort Sumter in a fleet of heavy ironclad ships, J. M. and T. D. Eason had meantime changed smooth-bore ordnance into rifled guns of heaviest calibre, with new projectiles which proved equal to, and had their full share, driving off this ironclad fleet and its heavy arm...