Launched in 1916, completed in 1918, displacement 331 (surfaced)-385 (submerged) tons, horsepower 600 (surfaced)-550 (submerged), oil fired internal combustion machinery (surfaced) and electric machinery (submerged) and an armament of 1-13pd gun, 4 torpedo tubes with 4 torpedoes. For sale.
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
