field manual 37-mm gun, antitank M3 / War Department field manual Submachine gun, caliber. 45, M 3 field manual Antiaircraft artillery : markmanship and service of the piece : antiaircraft machine gun / prepared under direction of the chief of coast artillery Seacoast artillery : service of the piece 6 -inch gun on barbette carriage - USA Coast Artillery Field Manual, FM 4-75 field manual Browning machine gun caliber .30, HB, M1919A4 (mounted in combat vehicles) / prep. under dir. of the Chief of Infantry field manual Browning machine gun, caliber .30, M1917 field manual 75-mm tank gun M 2 : (mounted in medium tank M 3) Technique of machine-gun fire : direct laying 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