Throwing a Torpedo-Proof Wall of Steel Around a Ship 



^L ^^°«^e^s. plans to protect ships from torpedo attack by means of rapidly rotating disks of 

 Steel. A veritable stream of heavy, whirling disks is shot into the wate?. forming a steelwall 

 Sr^nd th? veiS,' ^^^n^^'-P^^^ -^" b-f; The twenty-five feet of ocean between' t'hfwhidfng 

 disks and the vessel will serve as a cushion, so that the vessel will not be harmed at aU 



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