Torpedo

A military machine for defence, invented by Mr. Robert Fulton, an American; there are various kinds adapted to positions and methods of defence or attack; the machine is a case of copper, oblong, and containing 100 lbs. or more of powder; to the end of the case is a kind of lock about the size of a parlor door bra lock, inside of which are clock works so formed as to be set to any number of seconds or minutes required, which being expired, the gunpowder in the case is exploded, and all above is torn to pieces by the explosion.