Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 446
would no longer giveAtlantic shipping any anxiety. It may seem likea fantastic idea, but such a net has been designed and has been given serious consideration. It musthang down to a depth of at least two hundred feet,so that a submarine could not dive under it; and asit would be impossible to… … Underwood and Underwood CAPTURED GIANT U-BOAT, SHOWING HEAVY GUN. a submarine to cut its way through without ex-ploding one of the bombs. A single bomb wouldbe powerful enough to sink a submarine, but de-layed-action fuses would be used, so that whenone exploded it would not set off any of…
Children's literature
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