Yes
In his notebooks
His great imagination and curiosity.
Paintings and inventions.
... that he used mirror writing.
Click link below! There are different editions for sale.
in mirror writing
About 1587.
In his notebooks
His great imagination and curiosity.
Paintings and inventions.
Some of his notebooks are in the Museum of Unnatural Mysteries.
Leonardo da Vinci wrote most of his personal notes in mirror writing. Most of his notebooks were written in mirror writing.
That he wrote backwards ("mirror writing").
Leonardo da Vinci
... that he used mirror writing.
I don't believe that to be the case. There is no classified information in Leonardo's notebooks.
no, Leonardo Da Vinci did not use water colours