Launched in 1921, completed in 1923, displacement 876 (surfaced)-1.092 (submerged) tons, horsepower 2.000 (submerged)-1.200 (surfaced) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament of 1-4” gun, 5-21” torpedo tubes for which 14 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.
