Labels:text | screenshot | font OCR: On this unillustrated page, Leonardo describes the veins of the earth as the places where both salt and fresh waters are found and speculates on how they are joined at the bottom of the seas "How many veins of salt water are found at great distance from the sea: and this may have come about because these veins have passed through some mine of salt . . . where salt is hewn out of immense quarries just as blocks of stone are. How within rocks surrounded by salt waters and within these salt waters themselves in the same way there rise in many places veins of fresh
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