Launched in 1913, completed in 1914, displacement 358 (surfaced)-434 (submerged) tons, horsepower 950 (submerged)-? (surfaced) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament of 4 torpedo tubes for which she could 8 torpedoes with her. Suitable for coast defence only.
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.
