US Navy 32-Pounder of 42 Hundredweight Number 283
A US Navy 32-Pounder of 42 Hundredweight, Number 283, is displayed aboard USS Cairo at Vicksburg National Military Park. This cannon was cast in 1845 at the West Point Foundry. It is marked as weighing 42-1-11 Hundredweight (4,743 pounds). It was recovered in 1963 as preparatory work to recover the sunken USS Cairo in 1964.
US Navy 30-Pounder Parrott of USS Cairo
A US Navy 30-Pounder Parrott Rifle, Number 61, is mounted aboard USS Cairo to fire over the stern. The 30-Pounder (4.2-Inch) Rifle was manufactured by West Point Foundry in 1862. As manufactured it weighed 3,460 pounds.
US Navy 8-Inch Chambered Shell Gun of 63 Hundredweight Number 358 of USS Cairo
US Navy 8-Inch Chambered Shell Gun of 63 Hundredweight Number 358 is displayed aboard USS Cairo at Vicksburg National Military Park. It is mounted on the port broadside in the second position from the bow. Number 358 is one of three of the 8-Inch shell guns aboard. Number 358 was cast at the West Point Foundry in 1845. It is marked as weighed in hundredweight "63-0-18" (7,074 pounds).
The US Army 42-Pounders of USS Cairo
The US Army 42-Pounders are displayed aboard USS Cairo in Vicksburg, Mississippi. One is a Pattern 1831 and two are Pattern 1845. All three were rifled for service during the American Civil War.
US Navy 32-Pounder of 42 Hundredweight Number 230 of USS Cairo
A US Navy 32-Pounder of 42 Hundredweight, Number 230, is displayed aboard USS Cairo at Vicksburg National Military Park. This cannon was cast in 1845 at the Fort Pitt Foundry. It is marked as weighing 42-1-18 Hundredweight (4,750 pounds). It was recovered with the sunken USS Cairo in 1964.
US Navy 8-Inch Chambered Shell Gun Number 348 on USS Cairo
US Navy 8-Inch Chambered Shell Gun of 63 Hundredweight Number 348 is displayed aboard USS Cairo at Vicksburg National Military Park. Number 348 is one of three of the 8-Inch shell guns aboard. Number 348 was cast at the Fort Pitt Foundry in 1845. It is marked as weighed in hundredweight "64-0-8" (7,176 pounds).
12-Pounder Boat Howitzer of USS Pittsburg at Vicksburg
US Navy 12-Pounder Dahlgren Boat Howitzer, Heavy, Number 96 is displayed in the museum beside USS Cairo at Vicksburg. As the sign attests, the boat howitzer served aboard USS Cairo’s sister ship USS Pittsburgh. The markings on the tube show a weight of 759 pounds with 65 pounds preponderance (the howitzer is breech-heavy by this amount when placed on its carriage). It was manufactured at the Washington Navy Yard in 1862, and it was inspected and approved for service by John A. Dahlgren himself.