
US Navy 32-Pounders at Fort Pike
US Navy “Gradual Increase” 32-Pounders cast in 1820 and 1821 survive at Fort Pike near New Orleans, Louisiana. They were likely among the nearly 1,200 heavy guns seized at Norfolk in 1861. They are known to have served on USS Columbus.

The US Army 24-Pounders, Pattern 1819, at Fort Branch
Two US Army 24-Pounders, Pattern 1819, are among the extraordinary collection of original cannons at Fort Branch near Hamilton, North Carolina. Along with the other cannons, they were thrown into the Roanoke River to prevent capture at the end of the American Civil War. All of the cannons were recovered from the Roanoke River in the 1970s.

US Army 8-Inch Seacoast Howitzers, Pattern 1840, at Castillo de San Marcos
Two US Army 8-Inch Seacoast Howitzers, Pattern 1840, are the two largest cannons displayed among the 19th Century US cannons along the water battery at the Castillo de San Marcos National Monument. The two seacoast howitzers were made by Columbia Foundry in 1841.

The US 24-Pounders of 45 Hundredweight in Savannah, Georgia
Two US 24-Pounders of 45 Hundredweight Numbers 81 and 83 are displayed on the former building of the Savannah Volunteer Guards at the Savannah College of Art and Design in Georgia. They may have originally been ordered for the first frigates of the US Navy including USS Constitution.