Keywords: Ramming12inchShellHMASAustralia1918.jpg AWM caption Scotland Firth of Forth Inside a turret on the battle cruiser HMAS Australia Able Seaman W J Cotter rams home a projectile in a 12 inch gun watched by Able Seaman T R Field left <br>Comment note that this is the left gun of a pair the breech opens to the left and the Welin breech block is rotated anti-clockwise to lock it See File HMAS Australia 12 inch gun loaded AWM EN0015 jpeg for breech closed EN0013 1918-12 Photographer not identified PD-AustraliaGov BL 12 inch Mk X naval gun Australia Black and white photographs Australia HMAS Australia 1911 BL 12 inch Mk X gun Welin breech block BL 12 inch Mk X |