Chapter 41: 7. A vessel has been in time of war destroyed by a submarine boat.
The latter, it is true, was also sunk, but it was for reasons that
are no longer in force.
As yet no perfectly successful boat of this type has been tried in
any naval war, but there is no question that they will be used at the
very first opportunity. Compared with a surface boat, the submarine
has the following advantages:
61 words