Excerpt from Lecture on Submarine Boats, and Their Application to Torpedo Operations
In this lecture I have endeavored give a general history of the science of submarine navigation; giving detailed descriptions [when I have been able to obtain them] of special apparatus desig... ned for the purpose, and a general idea of others where my researches have not been so successful.
The greater portion of the information on this subject, which has found its way into print, is vague in the extreme; probably from the fact that it is a subject of very little interest to the general reader and only sought after by the curious, who, in most cases, would pre fer the accounts of marvelous results attained rather than the dry detail of the mechanical devices necessary to obtain them. As re gards the lack of other sources of information, both in times past and present; it may probably be ascribed either to illiteracy on the part of the inventors or a desire of keeping their knowledge to them selves.
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