US Navy 24-Pounder Dahlgren Boat Howitzer at Shiloh
US Navy 24-Pounder Dahlgren Boat Howitzer Number 656 is displayed at Shiloh National Military Park. (Many thanks to James Murray for sharing these photos with us!) It was cast in 1864 by Ames. As manufactured it weighed 1305 pounds. This boat howitzer has a portion of its hammer still in place - and a something (a projectile?) lodged in the tube.
The 24-Pounder Howitzer of CSS Georgia
An iron 24-Pounder Howitzer cast in 1862 by A. N. Miller in Savannah, Georgia is displayed at Old Fort Jackson near Savannah. The tube was recovered from the wreck of CSS Georgia in 1984 by the U.S. Army Corps of Engineers. It weighs roughly 1,500 pounds and is displayed upon a naval carriage. It is the only example of its type known to exist.