Hammock berthing (port and starboard) Three 8″ Navy smoothbores (forward ports) Load waterline Chain locker Commissary stores Coal Fireroom Launch (port) Cutter (starboard) Cutter (port and starboard) 32-pounder Navy smoothbores Engineroom Shell rooms (port and starboard) Magazine (port) Stores (port and starboard)

U.S.S. Cairo Type and class: Ironclad River Gunboat, City Class Length: 175 ft. Breadth: 51 ft. 2 in. Full load keel draft: 6 ft. Tonnage: 512 Number of keels: 3 Armament: 3 4-pounder Army rifles, 3 64-pounder Navy smoothbores, 6 32-pounder Navy smoothbores, and 1 30-pounder Parrott Bow ports: 3 Side ports: 4 each side Stern ports: 2 Paint Colors: Black exterior, whitewashed interior, colored bands for identification on chimneys.

Deck Plan of the Cairo (scale ¼″ : 4′)

[High-resolution Version]

2½″ × 13″ iron plates 42-pounder Army rifles (port and starboard) Galley Three 8″ Navy smoothbores (forward ports) 1¼″ plating Wood 32-pounder Navy smoothbores (port and starboard) Officers’ quarters Captain’s cabin 2½″ plating Wood 32-pounder Navy smoothbores

Thickness of plate armor: 2½ in. Total weight of plate armor: 122 tons Plate armor material: Charcoal iron Wood backing for armor on three front panels of pilothouse: 19½ in. Wood backing for armor on five side and back panels of pilothouse: 12 in. Thickness of casemate timbers and sheathing: 26 in. Location of plate armor: Casemate front and casement sides abreast machinery

Bow of the Cairo (scale 1/4″ : 4′)

Hammock berthing Hammock berthing Fireroom Forward end of boilers 2½″ × 13″ iron plates 32-pounder Navy smoothbores (port and starboard) Load waterline