Federal wagon park at Yorktown, Virginia. June 1862.

 Mortars inside Fort Moultrie at Charleston, S.C. 1865.

 Battery of Parrott guns manned by Company C, 1st Connecticut Heavy Artillery. Fort Brady, Virginia…

 Confederate torpedoes and shell in arsenal yard at Charleston, S.C. 1865

15-inch Rodman Columbiad "The Lincoln Gun" at Fort Monroe, Virginia. 1864.

13-in. Seacoast mortars of Federal Battery No. 4, right bank of Wormley's Creek at Yorktown, Va. May…

1st New York Pettit's artillery battery at Richmond, Virginia. June 1862.

Confederate brass mountain howitzers at fort.

Captured siege guns at Richmond, Va. 1865

Large gun "The Dictator" on rail car at Petersburg, Va. Oct 1864.

Federal ordnance at the depot at Broadway Landing, Virginia.

13-inch mortar, "The Dictator" on rail car in Petersburg, Va. October 1864.

Soldiers with cannon on small railroad car, 1864.

Two 100-pound Parrott guns and stacks of shells inside Fort Putnam, Morris Island, S.C. 1865.

The "Lincoln Gun" a 15-inch Rodman Columbiad at Fort Monroe, Va. 1864.

Officers of Companies A and B, 3d Massachusetts Heavy Artillery, and crew of 100-pdr. Parrott gun on…

Gun crews of Company H, 3d Massachusetts heavy artillery, at Fort Lincoln, Washington D.C. 1865.

15' inch gun at Battery Rodgers, Alexandria, Va., May 18, 1864.

15' inch gun at Battery Rodgers, Alexandria, Va., May 18, 1864. "Restored Photo"

Wiard 6-pound gun at the Arsenal in Washington, D.C.

Battery of Parrott guns manned by Company C, 1st Connecticut Heavy Artillery, Fort Brady, Va. 1864.

 Parrott gun in foreground and Rodman gun beyond Battery Rodgers at Hunting Creek on the Potomac ri…

Railroad gun and crew at Petersburg, Virginia.

 1st New York Pettit's battery artillery at Richmond, Va.