Launched in , completed in, displacement 740(surfaced)-1.100 (submerged) tons, horsepower 2.600 (surfaced)- 1.200 (submerged) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament 1-12pd gun H.A., 1-3p gun and 6-18” 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.
