Bjørgvin-class coastal defence ship

	Bjørgvin as HMS Glatton
Class overview
Operators	Royal Navy
Preceded by	Eidsvold class
Succeeded by	None
Built	1912–1914
In commission	1914–1928
Completed	2
Lost	1
General characteristics
Type	Coastal defence ship
Displacement	4,900 long tons (4,979 t)
Length	94 m (308 ft 5 in)
Beam	16.8 m (55 ft 1 in)
Draught	5.4 m (17 ft 9 in)
Propulsion	Coal-fired reciprocating steam engines, 4,000 shp (2,983 kW)
Speed	15 knots (17 mph; 28 km/h)
Complement	305
Armament	2 × 24 cm (9.4 in) guns; 4 × 15 cm (5.9 in) guns; 6 × 10 cm (3.9 in) guns; 2 × submerged torpedo tubes;
Armour	Belt: 7 in (180 mm); Bulkheads: 4 in (100 mm); Barbettes: 8 in (200 mm); Turrets: 8 in (200 mm); Decks: 2.5 in (64 mm); Conning tower: 8 in (200 mm);

The Bjørgvin-class coastal battleships were ordered by Norway in 1912 to supplement the older Eidsvold and Tordenskjold-class coastal defence ships. The two ships laid down were compulsorily purchased by the Royal Navy when World War I broke out, and classified as monitors. The British government paid Norway £370,000 as compensation for each ship.

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