No army went to war in 1914 ready to conduct trench warfare operations. All the armies of the First World War discovered that prolonged trench warfare required new types of munitions alongside the conventional howitzers, large-calibre guns and explosive shells. This volume examines how the British went about inventing and manufacturing new weaponry such as hand grenades, rifle grenades and trench mortars when no body of knowledge about trench warfare munitions existed. It also examines how tactics were developed for these new munitions. Based on new research, this is the first book to...