NOTE. The heavy pattern grenade has more shrapnel and less explosive than the light pattern grenade. GRENADE HAND NO. 12 Hairbrush or Box Pattern Grenade =Type.= Time, or land mine. =Weight.= Three lb. complete. =Explosive.= Ammonal or guncotton. =Safety Device.= Safety pin. =Body.= Tin box 3×5×2 in. A grooved cast-iron plate, ¼ in., forms the front side. =Igniter.= Special brass tube consisting of spring and striker held in place by safety pin. Cap and fuse and detonator or Nobel lighter, fuse and detonator. =To prepare for use.= See Nos. 8 and 9 grenades. =To fire.= See Nos. 8 and 9 grenades. NOTE. This grenade is now used as a land mine. [Illustration: GRENADE NO. 12.] BATTYE GRENADE =Type.= Time. =Weight.= One lb. 2 oz. complete. =Explosive.= Ammonal guncotton, 1½ oz. =Safety Device.= Safety pin in Nobel lighter. =Body.= Cast-iron cylinder, 3 × 2 in. diameter, one end solid. =Igniter.= Nobel lighter, 1¾ in. fuse, No. 8 M.K. VII detonator. =To prepare for use.= See Grenade Hand No. 8. =To fire.= See Grenade Hand No. 8. =Packing.= Grenades packed thirty in wooden box arranged with removable wooden partitions which rest on top of the grenades, to prevent lid coming in contact with the end of the igniters. [Illustration: BATTYE HAND GRENADE.] PITCHER HAND GRENADE =Type.= Time. =Weight.= One and one-half lb. =Explosive.= Ammonal. =Safety Device.= =Body.= Cast-iron cylinder 4 × 1⅞ in. diameter, one end solid. =Igniter.= Special. This grenade is not likely to be reissued. The igniter is described in the Training and Employment of Grenadiers issued by General H. Q., October, 1915. [Illustration: PITCHER HAND GRENADE.] OVAL GRENADE =Type.= Time. =Weight.= One lb. 2 oz. complete. =Explosive.= Ammonal. =Safety Device.= Brock lighter. (See Patent Lighters, p. 58.) =Body.= 3/16 in. cast-iron, egg-shaped, 3½ in. long × 2¼ in. diameter at middle. =Igniter.= Brock lighter, 1¾ in. fuse, No. 8 M.K. VII detonator. =To prepare for use.= See Hand Grenade No. 8. =To fire=: 1. Hold grenade right hand. 2. Pull off waterproof paper on Brock lighter with left hand. 3. Strike lighter against brassard carried on left arm for this purpose. 4. Throw grenade at once. =Precautions.= The waterproof paper must not be removed before throwing, as composition may get damp, or grenade accidentally lighted. BALL GRENADE =Type.= Time. =Weight.= One lb. 11½ oz. complete. =Explosive.= Ammonal, 5½ oz. =Safety Device.= Safety pin in Nobel lighter. (See Patent Lighter.) =Body.= Cast-iron sphere, 3 in. diameter. =Igniter.= Nobel lighter, 1¾ in. fuse, No. 8 M.K. VII detonator. =To Prepare for Use.= See Hand Grenade No. 8. =To Fire.= See Hand Grenade No. 8. [Illustration: BALL GRENADE.] NEWTON HAND GRENADE =Type.= Time, 4½ seconds. =Weight.= One lb. 5 oz. =Explosive.= Ammonal. =Safety Device.= Special split tin disc over N.G. percussion cap. =Body.= Cast-iron, pear-shaped.