Launched in 1911, completed in 1914, displacement 846 (surfaced)-1.098 (submerged) tons, horsepower 4.000 (steam-surfaced)-1.500 (submerged) hp, oil-fired reciprocating machinery (surfaced)-electric machinery (submerged) and an armament of 1-14pd gun, 1-3pd gun and 8 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.
