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.