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Not quite likely, but in 1849 while serving as an Illinois attorney, Abraham Lincoln made a patent to a ballast water system to be used on board ships that will enable them cross over shoals in American rivers. This patent was one of the earliest in the evolutionary time-line of ballast water systems and lends much to the structure and operation of the modern ballast systems of today. It's a shame this fact is rarely known.

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14y ago

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