Monitor gun-boat, having a superstructure forming a covered forecastle forward and officers quarters aft, the upper line of the superstructure being carried along by a rail in wake of the turrets, which may be dropped in action. Her turrets are small, containing one gun each and capable of being turned by hand or by steam (Coles system). The armored belt comes to the height of the deck-beams, and the deck is convex, plated with ¾-inch steel. An armored pilot-house is placed well aft. She has full sail-power.
ROLF KRAKE.
LINDORMEN. GORM.
Single-turreted, breastwork, light-draft monitors. (See [Buffel], [Dutch].)
HELGOLAND.
Casemated iron-clad frigate with complete armored belt. No bow or stern fire from the casemate, which carries four 10¼-inch Krupp rifles. Forward on the upper deck is placed a 12-inch Krupp pivot for bow and beam fire. Her armor at the water-line is 12 inches, diminishing to 6 at the bow and stern. She is provided with apparatus for discharging Whitehead torpedoes from each beam above water.
ODIN.
Armored belt with elevated casemate. ([See Brazil, Brazilian.]) The casemate contains four 10¼-inch Armstrong muzzle-loaders, each of which fires from two ports. She has no spars except signal-masts.