Launched in 1920, completed in 1923, displacement 854 (surfaced)-1.062 (submerged) tons, horsepower 1.200 (submerged)-1.500 (surfaced) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament of 1-4” gun, 4-21” torpedo tubes for which 12 torpedoes were taken with her.
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.
