ons of the inventor, and can be made to operate satisfactorily in such close motors, it is possible to run on the engines till this of all those who look for an improved type of sub- quarters. Yet the fact is they are two of the most hood is nearly submerged; and by placing a similar marine that… … greatest diameter. On top cover an enemy's warship Front End of Engine Room, Showing Switchboard and Valves Controlling Flow of Water into Five Ballast Tanks. of this hull has been built a some miles distant. Our The gages indicate water in tanks. The flywheels of the two engines are seen in the…
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