PART III.—TORPEDOES 323

Whitehead, Lay, Harvey, Menzing, French Towing, American Spar-Torpedo. _Torpedo Vessels_—Pietro Micca, Ran, Ziethen, Vesuvius, Uzreef, Alarm, Intrepid, Destroyer, Uhlan. _Torpedo Boats_—Thornycroft, Yarrow, Herreshoff; Ship’s Boats; Submarine Boats. Drifting Torpedoes. Defences against Torpedoes. _Defensive Torpedoes_—Frame Torpedo, Brooks’s Torpedo, Singer’s Torpedo, Barrel Torpedo. Torpedo Fuses. Clearing Channels of Torpedoes. Actions with Torpedoes during twenty years.