Facsimile; ca. 1478-1518; 21x15 cm
This is not an original notebook, but a collection of sheets from various dismembered notebooks of Leonardo, to give a total of 283 folios. Researches in physics (especially mechanics) and mathematics (optics and Euclidean geometry) predominate in this collection. It also includes architectural and territorial studies, such as those conducted in France for the project of the Royal Residence of Francois I in Romorantin.
fols. 174v-175r: Notes and diagrams on the nature of heaviness and lightness (left); drums and a wind instrument (right).
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