Keywords: HMAS Sydney 6 inch gunners & range clock 1919 AWM EN0177.jpeg Portsmouth England Gunners carry out drill with BL 6-inch Mk XI gun on board Australian cruiser HMAS Sydney under the supervision of the gunnery officer an unidentified lieutenant Six men are loading the gun while two fire it The large circular object in the background is a range clock which the Range Control Officer uses to check the angle of the gun EN0177 1919-01 photographer not identified Copyright expired - public domain PD-AustraliaGov HMAS Sydney ship 1912 BL 6 inch Mk XI naval gun Sydney Fire control systems Sydney Black and white photographs |