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Abraham Lincoln of Springfield, Illinois receives a patent for a device to aid riverboats over shoals

Abraham Lincoln, circa 1846, detail
05/22/1849
Abraham Lincoln of Springfield, Illinois was awarded a patent for a device made up of inflatable cylinders to help lift riverboats over shoals. (By John Osborne)
Source Citation: 
Joseph Nathan Kane, ed., Famous First Facts (New York: H.W. Wilson Company, 1981), 499.

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