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U.S. National Archives: Artillery drill in Fort, defenses of Washington
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U.S. National Archives: "Havoc." Effect of a 32 lb. shell from the 2nd. Mass. Heavy Artillery, Fredericksburg,Va.
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U.S. National Archives: Camp of 15th. N.Y. Engineers and 1st Mass. Heavy Artillery. Belle Plain, May, 1864.
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U.S. National Archives: Artillery camp near Petersburg lines
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U.S. National Archives: Artillery Park
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U.S. National Archives: Col. William A. Howard, 13th New York Heavy Artillery
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U.S. National Archives: Col. William A. Howard, 13th New York Heavy Artillery
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U.S. National Archives: Staff, group of 4th Artillery...
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U.S. National Archives: Capt. James O'Rourke. 4th N.Y. heavy artillery
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U.S. National Archives: Park of artillery
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U.S. National Archives: Park of artillery
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U.S. National Archives: Park of Artillery
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U.S. National Archives: Captain George G. Greenough, 4th United States Artillery
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U.S. National Archives: Sketch - the "Swamp Angel" as seen from Charleston Harbor, S.C. - This gun was used for shelling the city.
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U.S. National Archives: Park of captured guns, Richmond, Va., 1865
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U.S. National Archives: Wiard 6 lb. Guns, Washington Arsenal. Excelsior Brigade
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U.S. National Archives: 200-lb Gun on Morris Island. Used for Shelling Charleston
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U.S. National Archives: Mayre's Heights, Fredericksburg, Virginia. May 3, 1863. Confederate Caisson and Eight Horses Destroyed by a 32-1b. Shell From Second Massachusetts Seige Gun.
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U.S. National Archives: Park of Captured Guns at Richmond, Virginia
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U.S. National Archives: Gun squad at drill
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U.S. National Archives: Cannon of largest size mounted in Fort, at Battery Rodgers
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U.S. National Archives: A Sandbag Battery with Burst Cannon.
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U.S. National Archives: Fort Johnson
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U.S. National Archives: Fort Putnam
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U.S. National Archives: Smokestack perforated by shot
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U.S. National Archives: Furnace used for making red-hot shot inside of Fort Moultrie.
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U.S. National Archives: No Subject
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U.S. National Archives: Distant View of Fort Sumter, 1865.
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U.S. National Archives: Benson's battery behind earthworks. At Fair Oaks or Seven Pines, Va.
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U.S. National Archives: Battery in Fort