See also Armstrong Gun Anglo-German naval arms race References External links Royal New Zealand Artillery Association, Breech Mechanisms W. L. Ruffell, The Gun – Rifled Ordnance Breech Mechanisms Willian F Fullam & Thomas C Hart, USN, Text-Book of Ordnance and Gunnery. Chapter IV Breech Mechanisms published by United States Naval Institute, Annapolis MD, 1905 Artillery by type