LEONARDO DA VINCI - Ms. A

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Facsimile (Giunti, Florence 1990); ca. 1490-92; 22x15 cm

This manuscript originally contained 114 leaves, but it was mutilated by Guglielmo Libri and now only contains 63. Some of the missing leaves (sold to Lord Ashburnham by Libri) were returned to the Institut de France in 1891. The manuscript contains studies by Leonardo on proportions and on movement, especially that of water. In many notes, he stressed the painter?s need for a high degree of scientific training.

fols. 59v-60r: Studies of hydrodynamics; sketches of waterfalls and whirlpools.

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