Browsing named entities in The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 5: Forts and Artillery. (ed. Francis Trevelyan Miller). You can also browse the collection for Dahlgren or search for Dahlgren in all documents.

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armed with the repeater and did great execution. Due to the use of the Spencer rifle by a part of General Geary's troops at Gettysburg, a whole division of Ewell's corps was A Dahlgren 11-inch smooth-bore naval gun, opposite Yorktown The Dahlgren guns of large caliber were made of cast iron, solid and cooled from the exterior. The powder-chamber was of the Gomer form — almost a cone with the base forward and of the size of the bore of the gun, so that when the projectile was rammed home it would not go entirely down to the bottom of the cavity, but would leave a powder-chamber behind it so shaped that the gases had access to a greater surface of the projectile than if the bore had been cylindrical to the base. The 11-inch Dahlgren had a bore of 132 inches in length, a maximum diameter of thirty-two inches, and a weight of 16,000 pounds. The service charge of powder was fifteen pounds, the maximum twenty pounds, and the weight of the solid shot 170 pounds. It sometimes fired a
case, and shell with time-fuses and with percussionfuses. Solid shot were designed for destroying the heavy walls of fortifications, or for some similar purpose, but were used also in the field. The other forms of ammunition were used against troops. Case was of two kinds-canister, which separated at the muzzle of the piece in consequence of the shock Confederate ammunition — solid shot and a charge of grape This view of the Confederate works at Yorktown, in 1862, shows an 11-incl Dahlgren smooth-bore naval gun. Several of these were taken from the Norfolk Navy-Yard. On the ground is a solid shot and a charge of grape. Grape-shot consisted of a number of small projectiles secured together by a series of iron plates containing holes in which the shot is held. In addition to the common cast-iron shells not intended to pierce iron, forged steel shells were used. In the days of smooth-bore guns, bar shot, chain shot, grape-shot, hot shot, shrapnel and canister were in use. Sh