Quotation from: The Notebooks of Leonardo Da Vinci

Written by: Leonardo da Vinci

Ponte Rubaconte (Fig. 1); below [the palaces] Bisticci and Canigiani
(Fig. 2). Above the flood gate of la Giustizia (Fig. 3); _a b_ is a
sand bank opposite the end of the island of the Cocomeri in the
middle of the Arno (Fig. 4). [Footnote: The course of the river Arno
is also discussed in Nos. 987 and 988.]

Canals in the Milanese (1009-1013).