Technique of machine-gun fire : indirect laying employment of machine guns / [issued by the General Staff] Carriage of artillery equipment by air : QF 25 PR, Mark 2 gun on carriage, 25 PR Mark 2 or 3 in Dakota aircraft Carriage of artillery equipment by air : QF 17-PR Mark 1 gun on carriage 17-PR, Mark 1 in Dakota Aircraft Small arms training : Light machine gun / War Office. Army Council. Vol. I Small arms training : Fire control / War Office. Army Council. Vol. I. Pamphlet no. 7: .303-inch machine gun military training pamphlet Royal Armoured Corps : weapons : Light Tanks, mark VIc : armament 7.92-mm and 15-mm Besa machine guns Machine-gun mathematics : (applicable also to howitzer company) 303 Inch Vickers machine gun / by command of the Army Council, War Office employment of machine guns : Organization and direction of fire / General Staff Carriage of artillery equipment by air : Gun, machine, polsten 20 mm Mark 1 on mounting universal 20 mm gun no. 2, Mark 1 in … training regulations Weapons / War Department : Browning machine gun, caliber .30, model of 1917 / War Department