Launched in 1922, completed in 1922, displacement 900 (surfaced)-1.082 (submerged) tons, horsepower 2.400(surfaced)-1.600 (submerged) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament 1-12pd gun, 1-3pd gun and 4-21” 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.
