ForsideBøgerThe Submarine Torpedo Boa…s And Modern Development

The Submarine Torpedo Boat
Its Characteristics And Modern Development

Forfatter: Allen Hoar

År: 1916

Forlag: D. Van Nostrand Company

Sted: New York

Sider: 211

UDK: 623.8

84 Illustrations - 4 Folding Plates

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CHAPTER VIH MEANS OF DEFENSE AGAINST SUBMARINE ATTACK There as yet seems to have been no really practicable means devised for defense against the offensive operation of the submarine. Practically invisible as it is and having International Film Service Submerged run with periscopes exposed. Note disturbance and wake caused by passage of periscope through the water the impenetrability of the water for its protection, it is immune from counter attack. Perhaps the most serious casualty which it is possible to inflict upon it would be the chance hitting and destruction of its periscopes when temporarily exposed above the surface. This of course would mean that the submarine must remain submerged hors de combat until nightfall, or else take the conse- ns