HNoMS Skorpionen was a monitor

Monitor (warship)

A monitor was a class of relatively small warship which was neither fast nor strongly armoured but carried disproportionately large guns. They were used by some navies from the 1860s until the end of World War II, and saw their final use by the United States Navy during the Vietnam War.The monitors...

 built for the Royal Norwegian Navy

Royal Norwegian Navy

The Royal Norwegian Navy is the branch of the Norwegian Defence Force responsible for naval operations. , the RNoN consists of approximately 3,700 personnel and 70 vessels, including 5 heavy frigates, 6 submarines, 14 patrol boats, 4 minesweepers, 4 minehunters, 1 mine detection vessel, 4 support...

 in 1865, as the lead ship

Lead ship

The lead ship or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable military ships and larger civilian craft.-Overview:...

of a three-ship strong class. She was scrapped in 1908, well after her muzzle-loading guns were outdated.

The two other ships in her class was and . The slightly later can be seen as an improved Skorpionen class monitor.

The name translates as The Scorpion.

Details

Skorpionen was armed with two heavy rifled muzzle-loaders in a revolving turret. She had five inches of iron armour on her deck, and her turret was protected by twelve inches of iron armour.