出版社：Nauchnyi Izdatel'skii Dom Issledovatel',Academic Publishing House Researcher
摘要：In the article it is told about the time, when artillery clearly lost its dispute with the armor; therefore went the search for the methods of defeat supply noy of the unprotected part of the housing of Pantserschip. There are described the designs of collision vessels and attempt at the use of a ram in field conditions, and also experiments with the instruments, capable of shooting under water.
