Labels:text | screenshot | font OCR: Leonardo recognizes not only the relationship between the surface of water and its bottom, but also the need to clearly understand the workings of the intervening column of fluid. This program of study is one that any modern hydraulic engineer would recognize, as it involved the creation of glass-sided tanks B that allowed him to observe and control as many conditions as possible. His last idea on this page addresses avoiding or reducing the effects of erosion: "When one wants to extinguish such power which causes
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