Elenco Aerial Screw - Manual (Page 7)

5
Several common themes recur in the now fragile
notebooks: Nature, Technology (including gears,
cogwheels, screws and pulleys), aviation and vision,
to name a few. Upon the death of Leonardo Da
Vinci, the notebooks were given to his long-time
friend, Count Francesco Melzi. Melzi did not fully comprehend the value of the
information and published only a portion of the volumes. He placed the notebooks
in his home where they were viewed by guests who sometimes took pages with
them as souvenirs.After Melzi’s death, an additional 13 Da Vinci notebooks
disappeared and soon pages were scattered across Europe. Da Vinci’s notebook
In his drawings, Leonardo strived for
saper vedere or “knowing how to see.”
Da Vinci’s illustrations are unparalleled
and some experts believe that no one has
since been better.
extracts were published in 1883 and about half of
them have not yet resurfaced so far. It is easy to
imagine that had the notebooks been published
earlier, the history of science might have been
completely changed.