Note i1 — THE LIFE OF LEONARDO DA VINCI.
J. F. (John Francis) Rigaud translation
Vasari, Vite de Pittori, edit. Della Valle, 8vo. Siena 1792, vol. v. p. 22. Du Fresne, in the life prefixed to the Italian editions of this Treatise on Painting. Venturi, Essai sur les Ouvrages de Leonard de Vinci, 4to. Paris, 1797, p. 3, 36.