Prolegomena and General Introduction to the Book on Painting.
1. In the few instances in which Leonardo has written from left to right in the
ordinary way this is stated in a note. In all other cases the writing is backwards.
2. The numbers printed above the line in the revised text: ², ³, ⁴ &c. indicate
the heads of the lines in the original MS. In many instances the breaking off
of the lines
in the original MS. accounts for peculiarities in the construction of
In the translation the numbers refer only to the footnotes
and they have been introduced
in such passages, which require an explanation.
[note: the revised (Italian) text is int included in this online edition - Liam]
The Notebooks of Leonardo da Vinci
edited by Jean Paul Richter, 1880.