Shoe repair machines (Landis and American) - USA Voorschrift, Technical Manual, 10-262 Browning machine gun, caliber .50, HB, M2 (mounted in combat vehicles) - USA Basic Field Manual, FM 23-65 Browning machine gun, caliber .50, M2, water cooled, and mounts - USA Voorschrift, Technical Manual, 9-226 Milling machines, shapers, and planers - USA Voorschrift, Technical Manual, 1-421 Service of the piece : Multiple machine gun mounts - USA Voorschrift, Field Manual, 44-57 training regulations Cavalry : the cavalry machine rifle squad and platoon / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations … training regulations Cavalry : the cavalry machine-gun squadron / prep. under direction of the Chief of Cavalry - United Staten War Department Training Regulations TR 425-80 training regulations Cavalry : the employment of machine guns / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-110 Drill regulations for machine-gun organizations, Cavalry. 1910 training regulations Cavalry : the cavalry machine-gun troop / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-75 training regulations Cavalry : the cavalry machine-gun squad / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-65 training regulations Cavalry : the cavalry machine-gun platoon / prep. under direction of the Chief of Cavalry - United States War Department Training Regulations TR 425-70