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