-
Leonardo Da Vinci made sketches of the submarine and william Bourne, a british mathematician, drew plans for a submarine.
-
William Bourne designed the first submarine. It was a wooden framework bound in waterproof leather.
-
Cornelius Van Drebbel created the first practical submarine. It was a rowboat covered with greased leather.
-
The Nautilus Submarine was cigar shaped. It was driven by a hand-cranked propeller when submerged and had a kite like sail for surface power.
-
Subsequently the Submarine was raised and renamed the Hunley. It was a valuable weapon of war.
-
The H.L. Hunley became the first submarine to successfully attack an enemy warship.
-
The film maker, James Cameron, designs the Deep Sea Challenger. It reaches its deepest point.