Notes and Sketches: Civil, Military, and Naval Architecture (1901) - Page 13

⚠This image appears to be a high-contrast photostat or microfilm scan of a manuscript page by Leonardo da Vinci. The text is written in his characteristic mirror-script. Due to the image quality and script style, many words are difficult to decipher and appear as illegible marks.

Numerical annotations within the leftmost architectural plan, likely representing dimensions in braccia (an Italian unit of measurement approximately 23 inches) v p r original: "v p r", likely abbreviations for architectural terms like 'vòlta' (vault), 'piede' (foot), or 'raggio' (radius) 10 10 40 10 10

Let there be made it be made?
exits passageways?
that which?
the the?
width breadth?
of the of the?
that which?
stays remains?
that which?
let there be made it be made?

The fragmented nature of the text is due to the difficulty of reading Leonardo's mirror-writing on a high-contrast scan. The words suggest instructions for the construction of the architectural plans shown in the diagrams, specifically regarding the "width" and "exits" of the structure.