Labels:text | screenshot | font OCR: Leonardo's scrutiny of minute water confluences in small canals gives him cause to think about the circulation of water on a global scale: "I have seen in the case of two small canals, each 2 bracchia wide, .. . how their waters clashed together with unequal force, and then united . . . they formed there a flow and ebb." B The page concludes with an observation on the formation of smooth and stratified rocks created by the settling of silt in the sea. Leonardo shares again his method of organization-he is gathering cases and demonstrations "as they occur to me."