LOW WIRE ENTANGLEMENTS 85 HIGH WIRE ENTANGLEMENTS 86 ABATIS 88 BARRICADES 88 INUNDATIONS 89 FOUGASSES 89 ORGANIZATION OF BOMBING SQUADS 90 TRAINING 91 EXPLOSIVES 101 BOMBS 103 PERCUSSION BOMBS Hand Grenade No. 1 103 Hand Grenade No. 2 105 Rifle Grenade No. 3 105 IGNITION BOMBS Hand Grenade Nos. 6 and 7 107 Hand Grenade Nos. 8 and 9 108 Pitcher Hand Grenade 108 Oval Hand Grenade 110 Ball Hand Grenade 110 Jam-pot Bombs 110 MECHANICAL BOMBS Hand Grenade No. 5 or Mills’ Grenade 111 GAS WARFARE 113 Tear Shells 116 GAS MASKS OR RESPIRATORS 119 DUTIES OF A PLATOON COMMANDER AT THE FRONT 121 GOING INTO THE TRENCHES 122 IN THE FIRING LINE 123 OBSERVATION 125 Inspection 126 SENTRIES 127 RIFLES 128 PREPARATORY TO ENTERING TRENCHES 130 TAKING OVER TRENCHES 131 SNIPING 131 PATROLS 132 DUTIES OF AN OFFICER 134 HOW TO FIRE A MACHINE GUN IN CASE OF EMERGENCY 140 Lewis Gun 141 Vicker’s Automatic 141 Stoppages 142