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Admiral David D. Porter, The Naval History of the Civil War., Chapter 36: operations of the South Atlantic Squadron under Rear-Admiral Dahlgren, 1863.--operations in Charleston harbor, etc. (search)
pared the Navy Department not to expect as much from the Monitors as was required of DuPont; as, with others, he had made up his mind that operations against the whole circle of forts should not be undertaken with a force that had proved itself totally inadequate on a former occasion. Charleston harbor, in its general configuration, may be likened to that of New York, the city being on a neck of land somewhat resembling Manhattan Island; Cooper River, on the east, may be compared to the East River; while the Ashley River, on the west, resembles the Hudson. Morris and Sullivan Islands may pass for the defensive points at the Narrows, though the channel between them is much wider; and the interior fortifications — Sumter, Moultrie, Cumming's Point, Battery Gregg, Fort Johnson, etc.--were all within the lines of Morris and Sullivan Islands. An attack on Fort Wagner could be made by a naval force without bringing the ships composing it within range of the heavy batteries which success
Admiral David D. Porter, The Naval History of the Civil War., Chapter 43: operations of the Mississippi squadron, under Admiral Porter, after the Red River expedition. (search)
nventor also claims to be able to go to a vessel with one or two and get them in contact so as to explode. This can be done, but so much depends on the nerve and daring of individuals that there is no certainty of it. Judging from the success of blasting rocks by powder, superposed upon the rock with a deep column of water over it, we are of the opinion that the depth of water below a torpedo would not interfere with its success. Lieutenant Bolton, who saw and blasted a great deal in East River, near New York, says: One hundred pounds of powder, fifteen feet from the bottom of a vessel, would break her sides or bottom. We would add that a proposed adaptation of these locks to the explosion of shell or batteries under railroad tracks, for defences of approach to fortified works, and for blowing up bridges, seems to us very simple and effective; also an ingenious plan for affixing torpedoes to spar or bow of an iron-clad. We consider the employment of submarines as a legitima