Labels:text | screenshot | font OCR: This and the facing page address the erosion of riverbanks under various circumstances. Drawings in the margin A illustrate Leonardo's geometric analyses of the effects of the movement and pressure that different water currents exert on riverbanks as well as on any "object placed in front of a bank." B He writes concisely, concentrating on technical, engineering matters: "Banks overflowed by rivers are affected much differently from those which are not." C
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