A Submarine Army Of Torpedoes

A remarkable meana of defensa is kiiown as the "Graydon-Leach Bystem," and próvidos for tlie maneuToring of fleets of torpedoea under complete control, bolow the aurfaco of the water, and admiting of entire or partial withdiawal at pleasure, to permit tho pasaing of friendly véasela, or enticing hostile véasela within the limita and then aurroundthg them with torpedoea that wiü insure their destruction. The torpedoes can be massed, moved in varioas directions, and, in fact, manenvered Bimilarly to bodies of troopa, and, being entirely submerged, givo no signa of approach lo iuü BUBiuy. ïiiB BjöHsm ia comparauveiy ïnexpensivo and the plant simple. No hoatile fleet eould enter a harbor defended by it, and therefore ita novelty, siraplicitv and practicability render it very valuable. Though we have at preeent no adequate means of dofenae for our coaat and soaport citiea, yet by thia ystem of torpedo defense a hostilo fleet ccmld be kept beyond sbelling of New York, Brooklyn, San Francisco or any of our aeaport cities, and even the mouth of Clieaapeake Bay eau be eaaily rondered impaasablo.