The Notebooks of Leonardo Da Vinci Complete


google search for The Notebooks of Leonardo Da Vinci Complete

Return to Master Book Index.

Page
835 836 837 838 839

Quick Jump
1 306 613 919 1225

[
Footnote: On this passage AMORETTI remarks (Memorie Storiche  
chap. IX): Nell'anno stesso lo veggiamo formare un congegno di  
carucole e di corde, con cui trasportare in piu venerabile e piu  
sicuro luogo, cioe nell'ultima arcata della nave di mezzo della  
metropolitana, la sacra reliquia del Santo Chiodo, che ivi ancor si  
venera. Al fol. 15 del codice segnato Q. R. in 16, egli ci ha  
lasciata di tal congegno una doppia figura, cioe una di quattro  
carucole, e una di tre colle rispettive corde, soggiugnandovi: in  
Domo alla carucola del Chiodo della Croce.  
AMORETTI'S views as to the mark on the MS, and the date when it was  
written are, it may be observed, wholly unfounded. The MS. L, in  
which it occurs, is of the year 1502, and it is very unlikely that  
Leonardo was in Milan at that time; this however would not prevent  
the remark, which is somewhat obscure, from applying to the  
Cathedral at Milan.]  
1
020.  
OF THE FORCE OF THE VACUUM FORMED IN A MOMENT.  
I saw, at Milan, a thunderbolt fall on the tower della Credenza on  
its Northern side, and it descended with a slow motion down that  
side, and then at once parted from that tower and carried with it  
and tore away from that wall a space of 3 braccia wide and two deep;  
837  


Page
835 836 837 838 839

Quick Jump
1 306 613 919 1225