Quotation from: The Notebooks of Leonardo Da Vinci
Written by: Leonardo da Vinci
_II. Plans for canals and streets in a town.
Pl. LXXIX, 1. and 2, (MS. B, 37b, see No. 745, and MS. B. 36a, see
No. 746). A Plan for streets and canals inside a town, by which the
cellars of the houses are made accessible in boats.
The third text given under No. 747 refers to works executed by
Leonardo in France._