Wallace Battery was an artillery battery located on the northern side of the entrance to the Hunter River at Stockton, New South Wales

Stockton, New South Wales

Stockton is a suburb of Newcastle, New South Wales, Australia, located from Newcastle's central business district. It is the only suburb of Newcastle that lies north of the Hunter River.-Geography:...

, Australia. The battery was part of Fortress Newcastle. Two 6 inch Mk VII guns

BL 6 inch Mk VII naval gun

The BL 6 inch Gun Mark VII was a British naval gun dating from 1899, which was mounted on a heavy traveling carriage in 1915 for British Army service to become one of the main heavy field guns in the First World War, and also served as one of the main coast defence guns throughout the British...

 were installed at Fort Wallace in 1913. In 1940 the 6 inch guns were replaced by two 9.2-inch Mk X guns in emplacements.

The two 6 inch Mk. VII naval guns from Wallace Battery, were installed at Praed Point Battery

Praed Point Battery

Praed Point Battery was a coastal defence battery at Praed Point, East New Britain, Papua New Guinea during World War II. It was built in 1941, by Royal Australian Engineers of Lark Force, together with 'L' Coastal Defence Battery of the Royal Australian Artillery. The battery covered St. George's...

, Rabaul

Rabaul

Rabaul is a township in East New Britain province, Papua New Guinea. The town was the provincial capital and most important settlement in the province until it was destroyed in 1994 by falling ash of a volcanic eruption. During the eruption, ash was sent thousands of metres into the air and the...

.