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  Cannons were built by the Chinese.
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  Invented in Ancient China around 700 bc
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  In 1364 it was used as a firearm. A firearm is a gun designed to be carried around by an individual . Made by Samuel Colt who also invented the colt walker was the” largest and most powerful black powder repeating handgun ever made. “ says google
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  Sir Joseph Whitworth was the inventor.
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  They were hand made and they had little metal bits packed with gunpowder.
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  It has a shorter barrel than a standard rifle or musket.
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  Used in Worl War 2 and also killed 80,000 people when bombed in the Japanese city of Hiroshima.
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  33 inches long ,
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  Is a 5 shot revolver
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  "Manufactured by the British company Accuracy International. “.