An item reported that 6-40 feet boats were available with a displacement of 5 tons, 25-275 hp horsepower, internal combustion gasoline or petrol fuelled machinery and an armament of 2 machineguns and 1 torpedo.
An item reported that 12-55 feet boats were available with a displacement of 11 tons, 750-900hp horsepower, internal combustion gasoline or petrol fuelled machinery and an armament of 4 machineguns, 2-4 depth charges and 1-2 torpedoes.
An item reported the building of 2-55 feet boats with a displacement of 11 tons, 900 hp horsepower, internal combustion gasoline or petrol fuelled machinery and an armament of 4 machineguns, 4 depth charges and 2 torpedoes.
An item reported that 3-70 feet boats ere available with a displacement of 24 tons, 900 hp horsepower, internal combustion gasoline or petrol fuelled machinery and an armament of 6 machineguns and 4 mines.
An item reported the building of 1-70 feet boat with a displacement of 26.8 tons, 2.000 hp horsepower, internal combustion gasoline or petrol fuelled machinery and an armament of 6 machineguns and 5 torpedoes.
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.
