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 Gradual Increase 32-Pounder of USS Ohio at Boston National Historic Park
A US Navy 32-Pounder of 60 Hundredweight manufactured in 1820 is displayed at the Boston National Historical Park. This cannon was produced following the "Gradual Increase of the Navy" act and may have served on USS Ohio and other ships of the early United States Navy.
The Naval Guns of Old Fort Jackson
Old Fort Jackson near Savannah, Georgia displays several cannon which were manufactured for and used by the US Navy in the years before the American Civil War.