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Wednesday, 2 October 2019

Italian submarine F 20 (1916) in 1923

Launched in 1916, completed in 1916-1917, displacement 258 (surfaced)-314 (submerged) tons, horsepower 700 (surfaced)-320 (submerged) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament of 1-3” anti aircraft gun and 2-17.7” torpedo tubes.(1)

Note
1. Brassey’s Annual 1923. Dimensions 148 x 14 x 10 feet, displacement 260 (surfaced)-380 (submerged) tons, horsepower 700 ihp (surfaced)-320 ihp (submerged) and a maximum trial speed of 13 (surfaced)-8,5 (submerged) miles

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.