The Notebooks of Leonardo Da Vinci Complete


google search for The Notebooks of Leonardo Da Vinci Complete

Return to Master Book Index.

Page
832 833 834 835 836

Quick Jump
1 306 613 919 1225

"Presidente dell' Ufficio regolatore dell' acqua" on No. 1350. See  
also the note to No. 745, 1. 12.] and the king will pay it by  
remitting the taxes for a year.  
Estimates and preparatory studies for canals (1014. 1015).  
1
014.  
CANAL.  
The canal which may be 16 braccia wide at the bottom and 20 at the  
top, we may say is on the average 18 braccia wide, and if it is 4  
braccia deep, at 4 dinari the square braccia; it will only cost 900  
ducats, to excavate by the mile, if the square braccio is calculated  
in ordinary braccia; but if the braccia are those used in measuring  
land, of which every 4 are equal to 4 1/2 and if by the mile we  
understand three thousand ordinary braccia; turned into land  
braccia, these 3000 braccia will lack 1/4; there remain 2250  
braccia, which at 4 dinari the braccio will amount to 675 ducats a  
mile. At 3 dinari the square braccio, the mile will amount to 506  
1
/4 ducats so that the excavation of 30 miles of the canal will  
amount to 15187 1/2 ducats.  
1
015.  
To make the great canal, first make the smaller one and conduct into  
34  
8


Page
832 833 834 835 836

Quick Jump
1 306 613 919 1225