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Codex Leicester, 6v. - "Of ebb and flow" is the title of this page, which deals especially with the phenomenon of the tides. The folio concludes with a note on the diverse nature of the stone materials, progressively reduced in size, that, entrained downstream from the mountains, end up on the seabed: originally rocks, then pebbles and sand, and lastly "clay to make jugs with" (cf. ff. 6A - 31v e 18A - 19v). Writes Leonardo: "The river (Vin) [Vincio pistoiese? Cf. Madrid II, f. 23r], that flows down from the mountains, brings a great quantity of large stones in its riverbed, which stones still have some sharp corners and edges; and as it flows on, the stones it brings are smaller with the edges more consumed, that is, the big stones become smaller; and further on, it deposits large pebbles, and then smaller ones ..."
Codex Leicester, 6v. - "Of ebb and flow" is the title of this page, which deals especially with the phenomenon of the tides. The folio concludes with a note on the diverse nature of the stone materials, progressively reduced in size, that, entrained downstream from the mountains, end up on the seabed: originally rocks, then pebbles and sand, and lastly "clay to make jugs with" (cf. ff. 6A - 31v e 18A - 19v). Writes Leonardo: "The river (Vin) [Vincio pistoiese? Cf. Madrid II, f. 23r], that flows down from the mountains, brings a great quantity of large stones in its riverbed, which stones still have some sharp corners and edges; and as it flows on, the stones it brings are smaller with the edges more consumed, that is, the big stones become smaller; and further on, it deposits large pebbles, and then smaller ones ..."
Alessandro Vezzosi

Last update 14/mar/2008