Labels:text | screenshot | font OCR: bottom of the vessel than water does at the surface, and at every degree of depth it acquires degrees of weight; and the proof is seen in the wine casks." C He adds a direct admonition to readers about his final draft: "See to it that the examples and the proofs that have to be given in this work be stated and defined before you present them." D Leonardo proceeds with an example of the measurement of pressure: "The air that fills