Page:Popular Science Monthly Volume 90.djvu/658

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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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