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14
THE SUBMARINE TORPEDO BOAT
essary to build a boat. Misfortune however seemed to
dog his footsteps, through no fault of his own, until he
died without having accomplished his purpose.
In the United States, Mr. Simon Lake took up the
development of submarines shortly after Holland. His
first designs were primarily for the recovery of lost treasure
and wrecking purposes, but later he went in for the devel-
opment of war craft as well and has made great progress
along the lines of the control and the military efficiency of
the submarine. Mr. Lake is probably one of the best
informed of the submarine builders today. He was, in
fact, the first to advocate the ship-shape hull form and the
use of hydroplanes, having submitted plans involving
these features to the Navy Department about five years
before the Narval was designed.