Submarines

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It was a copper-covered submarine that was 21 feet long. He tried to sell his ship to both France and England. In his demonstration it sunk many of ships, but they still did not want to buy it.
In the Civil War (1861-1865) a submarine named, “Hunley,” was the first submarine to sink a ship in wartime. It had a long pole on its bow, at the end of the pole there was a piece of explosive. When it tried to sink the submarine named, “Housatonis,” it succeded, but it also sank itself.
The next submarine that was made is by an American inventor named John P. Holland. He made a submarine that was 53 feet long. It used gasoline for the engine and batteries. The submarine could go up to 7 knots on top of the water and 6 knots when it was under water. He launched it in 1898. The Navy bought this ship and named it the, “U.S.S. Holland.” After he invented this submarine, he invented the periscope. The periscope was his main accomplishment. He also ...

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