A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle.
Top: A, platform; B, torpedo; C, water tight pine box; D, pin to be drawn.
Lower: A, vessel at anchor; B, her cable; E, F, two torpedoes; C, D, the coupling lines.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 9) (New York, NY: Harper and Brothers, 1912)
Courtesy the private collection of Roy Winkelman