New Whitehead torpedo approved by Royal British Navy according to the Dutch magazine Marineblad dated 1910-1911 no. 3

An item reported that the latest Whitehead torpedo performed well enough during the now completed tests and was added to the armament. With a length of 5,63 metres and a diameter of 53cm was the weight around 1.000 kilo, with a explosive charge of around 113 kilo. Range of 6,4 kilometres achieved with a speed of 40 miles.