coast de- the entrance, in the expectation that the capture or destruction of these ships would probably mean the fense, and, unlike all other means of defense, its cost is out of all proportion to the damage it can inflict. immediate close of the war—an expectation which It is pre-eminently the… … the clip shown on the side of the cap. The capacity three, which was exploded on July 18, with results as of the mine herewith illustrated, which represents one shown in Fig. 1. of those which were used in the defense of Baltimore This group consisted of three mines, placed 100 feet, SUBMARINE…
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