"This invention relates to dirigible torpedoes of the self-propelling type; and it has for its object to provide a controlling device whereby both the guiding and propelling mechanism contained in the torpedo may be operated from the shore, or from a ship, or from a point at a distance from the torpedo. The term "torpedo" is intended to include any marine vessel carrying or adapted to carry explosive, and as the description proceeds it will be observed that my invention possess features which render it applicable to any automobile body moving in a fluid medium."