The model of submarine “Dolphin”
The model of submarine “Dolphin”
The submarine "Dolphin" was the first submarine, which was included in the Russian Navy fleet. It happened in 1904. The characteristics of the first submarine were more than modest: it’s enough to say that it could be under water only for about 2-2.5 hours. Of course, these boats are many times inferior to modern ones, but in the beginning of the 20th century, they were actively used in military operations.
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