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and two thirds; and here the canal is 57 braccia higher than the
surface of the water of the Adda, giving a fall of two inches in
every hundred trabochi; and at that spot we propose to take the
opening of our canal.
[Footnote: The following are written on the sketches: At the place
marked N: navilio da dacquiue (canal of running water); at M:
molin del Travaglia (Mill of Travaglia); at R: rochetta ssanta
maria (small rock of Santa Maria); at A: Adda; at L: Lagho di
Lecho ringorgato alli 3 corni in Adda,--Concha perpetua (lake of
Lecco overflowing at Tre Corni, in Adda,-- a permanent sluice). Near
the second sketch, referring to the sluice near Q: qui la chatena
ttalie d'u peso (here the chain is in one piece). At M in the
lower sketch: mol del travaglia, nel cavare la concha il tereno
ara chotrapero co cassa d'acqua. (Mill of Travaglia, in digging
out the sluice the soil will have as a counterpoise a vessel of
water).]
1
013.
If it be not reported there that this is to be a public canal, it
will be necessary to pay for the land; [Footnote 3: il re. Louis
XII or Francis I of France. It is hardly possible to doubt that the
canals here spoken of were intended to be in the Milanese. Compare
with this passage the rough copy of a letter by Leonardo, to the
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