=Striker.= Contained in special striker cap. =Igniter.= Sawed off .303 in. blank cartridge, 1½ in. safety fuse, detonator. =To Prepare for Use=: 1. Remove striker cap. 2. Insert igniter. 3. Slip on safety device. 4. Replace striker cap. [Illustration: NEWTON HAND GRENADE.] =To Fire=: 1. Hold grenade in right hand, narrow end downwards. 2. Bring striker cap down a sharp blow on brassard carried on left thigh for that purpose, or upon some hard surface. 3. Throw grenade at once. NEWTON RIFLE GRENADE =Type.= Percussion. =Weight.= One lb. =Explosive.= Ammonal. =Safety Device.= Newton Hand. =Body.= Cast-iron conical. =Striker.= Newton Hand. =Detonator.= Commercial. =To Prepare for Use=: 1. Remove striker cap. 2. Insert detonator. 3. Slip on safety device. 4. Replace striker cap. =To Fire=: 1. Oil 10 in. rod and barrel of rifle. 2. Work rod up and down to insure lubrication and to expel air. 3. Place special blank cartridge in chamber of rifle and close bolt. 4. Fire the rifle. [Illustration: NEWTON RIFLE GRENADE.] HAND GRENADE NO. 19 =Type.= Percussion stick grenade. =Weight.= One and three-quarter lb. =Explosive.= Ammonal. =Safety Device=: 1. Safety pin. 2. Shearing wire. =Body.= Oval, cast-iron. =Striker.= Mushroom-topped brass. =Detonator.= Special long commercial. =Igniter.= (Sawed off) 380 in. blank cartridge. =To Prepare for Use=: 1. Unscrew brass striker holder. 2. Insert detonator. 3. Screw on brass striker holder. =To Fire=: 1. Unwind streamer at end of handle. 2. Hold grenade in left hand, gather up streamers palm of right hand. 3. Holding grenade in right hand, take out safety pin with left hand. 4. Throw grenade. =Packing.= Grenades are packed twelve in a wooden box, also a tin containing twelve special detonators. [Illustration: GRENADE NO. 19. HAND.] RIFLE GRENADE NO. 20 Improved Hales Rifle Grenade =Type.= Percussion. =Weight.= One lb. 8 oz. =Explosive.= Tonite. =Safety Device=: 1. Safety pin. 2. Releasing collar. 3. Retaining bolts. =Body.= Steel cylinder. =Striker.= Same as No. 3 Rifle Grenade (see p. 7). =Detonator.= Special No. 3 (see p. 7.) =To Prepare for Use=: 1 and 2. See No 3 Rifle Grenade (see p. 7). =To Fire=: 1, 2, 3, and 4 same as No. 3 rifle grenade, see p. 7, Fire Rifle. =Packing.= Grenades packed twenty in wooden box, four tins containing five each “special detonators rifle grenade,” and 22 special blank cartridges. =Precautions.= See all stick hand grenades. [Illustration: RIFLE GRENADE NO. 20.] DIVISIONAL GRENADE ESTABLISHMENT AND CHAINS OF AUTHORITY =Divisional Grenade Officer and Instructional Staff= for Grenade, Stokes Gun, Trench Mortar Schools. =Brigade Grenadiers=: 1. Sergt. Major. 1. Q.M.S. 4. Sergt. Instructors. 4. Grenade platoons, per battalion in brigade.