Issued in May 1917, these three booklets, reprinted by the Naval and Military Press in one volume,cover the use of Machine Guns in various theatres and situations of the Great War - from the trenches of the Western Front to the deserts of the Middle East - informed by intelligence reports to GHQ. Part 1 covers personnel, transport, Co-operation, Gas, as well as general and operational notes on such subjects as the effects of barrage fire. Part Two (Training and Technical) covers equip,ment, demonstrations, experiments, and tests. Part Three (Machine Gun Intelligence from Foreign Countries) includes detailed diagrams of German machine guns; translations of captured German documents and reports by a deserter on the effects of a British gas attack.