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James of England created the decked-over rowboat (Submarine)
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The 72 footlong Rotterdam Boat was designed by a Frenchman. It was the first underwater vessel specifically built by the council of the Southern Netherlands.
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Borelli never built a submarine, but this illustration continues to appear in books and magazines linked with Drebbel's or Symons's (Picture below)
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Denis a professor of mathematics built 2 submarines. He used an air pump to balance internal pressure with external water pressure and controlling buoyancy.
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David Bushnell built the first submarine to actually make an attack on an British enemy warship. It was named the Turtle because it resembled a sea turtle floating in the water.
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Fulton built a submarine he called "Nautilus." He made a number of successful dives to depths of 25 feet and for times as long as six hours.
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Frenchman Brutus demonstrated what he called le bateau poisson ("fish boat"), a submarine 10 feet 6 inches long, with a crew of three
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Phillips built at least two submarines. The first collapsed at a depth of twenty feet. The second achieved underwater speeds and depths to 100 feet. He Offered to sell it to the US Navy.
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The U. S. Navy began manufacturing, under license, the WHITEHEAD torpedo, for use by surface ships