Ship stabilizer

Claim 1

IN COMBINATION WITH A SHIP FOUR REVERSIBLE-PITCH, BLADED PROPELLERS, EACH ROTATABLE ON A FIXED VERTICAL AXIS RELATIVE TO SAID SHIP, ON A HORIZONTAL PLANE OUTSIDE SAID SHIP AND BELOW THE WATER LINE, ONE ON THE STARBOARD AND ONE ON THE PORT SIDE OF BOTH THE STERN AND OF THE BOW; FOUR LEVEL SENSING MECHANISMS MOUNTED PERIPHERALLY ON SAID SHIP, ONE ON THE LONGITUDINAL CENTER LINE, ONE ON THE LATERAL CENTER LINE, ONE ON A DIAGONAL CENTER LINE FORWARD OF THE SHIP AND ONE ON A DIAGONAL CENTER LINE STERNWARD OF THE SHIP; INDIVIDUAL POWER DRIVE MEANS CONNECTED TO EACH SAID PROPELLER FOR ROTATING THE SAME; BLADE REVERSING MEANS ASSOCIATED WITH EACH SAID PROPELLER FOR REVERSING THE PITCH OF THE BLADES THEREOF TO SELECTIVELY EXERT UPWARD OR DOWNWARD THRUST IN A VERTICAL DIRECTION ON SAID SHIP, AND ELECTRIC CONTROL MEANS, CONNECTING EACH SAID LEVEL SENSING MEANS WITH EACH SUCH BLADE REVERSING MEANS FOR INSTANTANEOUSLY COUNTERING PITCH, ROLL AND COMBINED PITCH AND ROLL OF SAID SHIP.