Find the missing text [*P**N*]
Background picture associated with the solution.Correct answers: 28
The first user who solved this task is Djordje Timotijevic.
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Pierre-Louis-Georges Du BuatBorn 23 Apr 1734; died 17 Oct 1809 at age 75.French hydraulic engineer who derived formulas for computing the discharge of fluids from pipes and open channels. |