Spherical Grenade

A grenade having a spherical body about 3 inches in diameter, made of cast-iron about 16 inch thick, and filled with black powder or other explosive which does not require a detonator. Ignition is caused by a combination of friction tube, lighter and fuse. It weighs 1 pound and 10 ounces and can be thrown about 30 yards. Spherical Projectiles — Solid shot, shells, spherical case or shrapnel, grape, canister, carca es, grenades, light-balls and fire-balls. They are fired mainly from smooth-bore guns and po e the following advantages over oblong projectiles, uniformity of resistance to the air, le liable to wedge in the bore, and better adapted for rolling and ricochet fire on account of the regularity of their rebounds.