Let the width of the streets be equal to the average height of the houses.
747.
The main underground channel does not receive turbid water, but that water runs in the ditches outside the town with four mills at the entrance and four at the outlet; and this may be done by damming the water above Romorantin.
[11]There should be fountains made in each piazza[13].
[Footnote: In the original this text comes immediately after the passage given as No. 744. The remainder of the writing on the same page refers to the construction of canals and is given later, in the "Topographical Notes".
Lines 1-11 are written to the right of the plan lines 11-13 underneath it. J. P. R.]
[Footnote 10: Romolontino is Romorantin, South of Orleans in
France.]
_III. Castles and Villas.
A. Castles.
Pl. LXXX, No. 1 (P. V. fol. 39b; No. d'ordre 2282). The fortified place here represented is said by Vallardi to be the_ "castello" at Milan, but without any satisfactory reason. The high tower behind the "rivellino" _ravelin—seems to be intended as a watch-tower.