Template:PQDNO1906
From The Dreadnought Project
Admiralty, Gunnery Branch (1906). Monthly Record of the Principal Questions Dealt with by the Director of Naval Ordnance. The National Archives. ADM 256/42.
Admiralty, Gunnery Branch (1906). Monthly Record of the Principal Questions Dealt with by the Director of Naval Ordnance. The National Archives. ADM 256/42.