Torricelli's Law was discovered by Evangelista Torricelli, and relates the speed of a fluid flowing out of an opening, which was later shown to be a particular case of Bernoulli's principle.
Torricelli's Law was discovered by Evangelista Torricelli. Torricelli's Law relates the speed of a fluid. This fluid is flowing out of an opening. An opening was later shown to be a particular case of Bernoulli's principle.