On the "Third Day" of his Discorsi [Dialogues concerning Two New Sciences] Galileo described an experiment in which he had timed a … I have tried to reproduce the experiment essentially … [p. 21] For time measurement I used an ordinary … the outflow. … [p. 22] [Settle measured milliliters of water with a graduated cylinder for an accuracy of about 1/20 second. Early 16th century assayers could weigh a fifth of that.] … [p. 23] [The experimental results need] little comment. Even the maximum deviation, … deviations [from the calculated results] are considerably less.
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