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Show NETS TO CATCH SUBMARINE: " British Admiralty Adopts Novel P ID to Trap Underwater Craft. London. At harbor entrances . p; other strategic points around the P tt ish isles the admiralty has set 1 fa of submarine traps to catch Ge::. fc underwater craft engaged in uio. E ing England. hi The traps set for submarine . fa not unlike gill nets used by S; men. Malleable iron frames ten :- ti square, three frames jointed, are li to a depth of thirty feet, susp-:. a from immense buoys. The sum:;: it is a blind thing under water. s.-.: by chart and compass. Entering ; C of these frames, its sides are ts:- causing the lower frame to i lj upward, catching the propeller. I. held, the craft is in the position 0 fish floundering in a net and its t-pants t-pants are doomed. |