Orion-class
HMS Thunderer
Orion type. Launched in 1911, completed in 1912, displacement 22.500 tons, horsepower 27.000 hp, coal-oil fired turbine direct drive machinery and an armament of 10-13;5” guns, 8-4” guns, 1-4” anti aircraft gun, 1-3” anti aircraft gun, 1-12pd field gun, 19-3pd guns and machineguns and 2 submerged torpedo tubes.
Source
Archive Dutch Naval Staff 1886-1942 (National Archive at the Hague, Netherlands) inventory number 155. Fleets (the British Empire and foreign countries) on 1 February 1923.
