
The 11-Inch Dahlgren of Eldon, Iowa
An 11-Inch Dahlgren, “W. P. No 29”, is preserved in a cemetery in Eldon, Iowa. This cannon immediately follows in sequence the two 11-Inch Dahlgrens of USS Monitor (W. P. Nos 27 & 28) now being conserved in Virginia.

The 11-Inch Dahlgrens of USS Monitor
Two 11-Inch Dahlgrens carried by USS Monitor are undergoing preservation in the Monitor Center at the Mariners’ Museum in Newport News, Virginia. Visitors can see the original cannon from a viewing gallery overlooking the conservation lab, and they may see recreations of the turret in the gallery.

32-Pounder Rifle of CSS Georgia
A 32-Pounder of 57 Hundredweight, banded and rifled by the Confederates, is displayed at Old Fort Jackson near Savannah, Georgia. This cannon was raised from the wreck of CSS Georgia in 1984.

9-Inch Dahlgren at Old Fort Jackson
A 9-Inch Dahlgren is displayed at Old Fort Jackson near Savannah, Georgia. This cannon served aboard USS Brooklyn during the Civil War.

Early US Navy 24-Pounder in Georgetown, South Carolina
An early US Navy 24-Pounder is displayed in Joseph Rainey Park in Georgetown, South Carolina. This cannon may have been authorized by the same act of Congress which authorized USS Constitution and the other “Six Frigates”.

The Citadel’s Cannons
Displayed on the campus of The Citadel in Charleston, South Carolina are two 2.9-Inch Parrott Rifles, two Model 1841 6-Pounders, a 3.3-Inch Parrott Rifle, and a 7-Inch Brooke Rifle.

The 3.5-Inch Blakely at Marion Square
A cannon that might be a 3.5-Inch Blakely is displayed at the “Horn Work” in Marion Square in Charleston, South Carolina.

3.56-Inch Cameron Rifle at the Museum at Market Hall
A 3.56-Inch Cameron Rifle, which may have been used against gunboats of the US Navy operating along the South Carolina coast, is displayed in the Museum at Market Hall in Charleston, South Carolina.

10-Inch Rodman and 8-Inch Rodman Rifle Conversions at Fort Monroe
Three 10-Inch Rodmans (two of which were converted to 8-Inch Rifles after the Civil War) are displayed at Fort Monroe in Virginia.

USS Keokuk’s Dahlgren and the Rodman Carriage
The 11-Inch Dahlgren at White Point Garden near Charleston, South Carolina is mounted upon a carriage for a 10-Inch Rodman. One of the two Rodmans now on the ground at Fort Moultrie may have “donated” the carriage. Looking at the cannon and the carriage, one can see how they were used together.

3-Inch Ordnance Rifle at Fort Monroe
A US Army 3-Inch Ordnance Rifle is displayed at Fort Monroe in Virginia.

The Lincoln Gun - Prototype 15-Inch Rodman at Fort Monroe
The “Lincoln Gun”, the prototype 15-Inch Rodman gun is preserved at Fort Monroe in Virginia.

12-Pounder Dahlgren Rifled Howitzer and 6-Pounder Model 1841 at Portsmouth, Virginia
Outside the Portsmouth Naval Shipyard Museum in Portsmouth, Virginia are a Dahlgren Rifled 12-Pounder Boat Howitzer and a US Army 6-Pounder Field Gun, Model 1841.

10-Inch Model 1844 Columbiad, Banded and Rifled, at Fort Sumter
A 10-Inch Columbiad Model 1844 which was banded and rifled by the Confederates is displayed at Fort Sumter.

8-Inch Parrott Rifles of Forts Moultrie and Sumter
Two 8-Inch Parrott Rifles are preserved near Charleston, South Carolina. One may be found at Fort Moultrie and the other at Fort Sumter. Both were brought (along with several others of the type) in 1872 as part of modernizations to the forts. Both were buried around 1900 after they had become obsolete and it was easier to bury them than remove them.

9-Inch Dahlgrens of the Mariners’ Museum
Two 9-Inch Dahlgren guns are on display at the Mariners’ Museum in Newport News, Virginia. One was aboard CSS Virginia in her battle with USS Cumberland. The other served aboard USS Richmond.

Aiming a Dahlgren: The Gunnery Artifacts of USS Monitor and USS Cumberland
Gunnery Artifacts related to the use of Dahlgren cannon are on display at the USS Monitor Center at the Mariners’ Museum and the Hampton Roads Naval Museum. This post looks at a historic photo to explain the artifacts.

Edenton Bell Battery and Revolutionary Cannon
Preserved in Edenton, North Carolina are two cannon cast during the Civil War from bells from Edenton. Also, several Revolutionary War cannon are displayed which may have played a small part in the defense of Edenton during the Civil War.

8-Inch US Navy Bureau of Ordnance Shellgun of 6,500 pounds near Yorktown, Virginia
8-Inch US Navy Bureau of Ordnance Shellgun of 6,500 pounds is displayed near Yorktown, Virginia

10-Inch Confederate Columbiads at Fort Moultrie
Four 10-Inch Confederate Columbiads are on display at Fort Moultrie near Chareston, South Carolina. US Army 10-Inch Rodman guns are also present allowing the visitor to compare the two types.