ocr: Leonardo notes in his own hand - at the top of this page: "In these eight sheets there are 730 conclusions pertaining to water. A This suggests to'scholars that these sheets form the core - ofLeonardo's treatise on water. The ilustrated discussion of somersaulting waves hitting the shore leads Leonardo to the conclusion that iti is not possible to describe the movement of water without first defining gravity, how it is created, and how it dies. Indeed, pre-Newtonian concepts of gravity, wedded to theories of the four elements
