Labels:text | screenshot | font OCR: This page, with its interspersed drawings directly referring to specific notes, A is an exception. His margin here contains only one reference and illustration, on the method for draining a swamp. B The presence of silt or other detritus radically affects the flow of water. Leonardo extrapolates, case by case: "How clear waters which enter into swamps cause their waters to lower-that is, by removing soil from their bottom. How waters taken from swamps in order to dry them ought to be taken when the tide causes the sea level
(.png)
.iso/data/g1_g.cxt/01515_Bitmap_17r_SYN2.pct/01515_Bitmap_17r_SYN2.png)