The BL 4-inch gun Mk VII was a British high-velocity naval gun introduced in 1908 as an anti-torpedo boat gun in large ships, and in the main armament of smaller ships. Of the 600 produced, 482 were s
On HMAS Australia, 1918
An example on a "DEMS" (defensively equipped merchant ship), 1943
An example in East Africa, World War I.
Gun from HMS New Zealand outside the Auckland War Memorial Museum.
The Town class was a group of twenty-one light cruisers built for the Royal Navy and Royal Australian Navy of the first half of the 20th century. These vessels were long-range cruisers, suitable for p
HMS Gloucester
Left elevation and deck plan of Bristol sub-class as depicted in Jane's Fighting Ships 1914