Keywords: BL 4inch Mk IX gun mounting diagram 1919 NAA MP551 1, 92 21.jpg Blueprints showing British BL 4 inch Mk IX naval gun on pedestal mounting <br>Annotation indicates copy was issued to C O Cerberus assumed to be Commanding Officer HMAS Cerberus Victoria Royal Australian Navy training establishment National Archives of Australia Image number MP551/1 92/21 <br>Downloaded from http //naa12 naa gov au/scripts/PhotoSearchItemDetail asp M 0 B 11200549 SE 1 <br>NOTE version uploaded here is heavily retouched to remove dark background but detail content is unchanged from original 1919-02 Admiralty UK PD-UKGov PD-AustraliaGov BL 4 inch Mk IX naval gun Naval gun carriages BL 04 inch gun Mk 09 |