Studies on Hair and the Treatise on Painting

This identification slip was used by the publisher Édouard Rouveyre in his late 19th-century editions of Leonardo's papers. It allows the collector to categorize the diverse sketches found on a single page, as Leonardo often mixed scientific observations with artistic drafts.

Leonardo da Vinci The Italian Renaissance master whose private notebooks remained largely unpublished for centuries after his death.
Library of Windsor Castle The location of the Royal Collection's massive holdings of Leonardo's drawings, acquired during the reign of Charles II.
Treatise on Painting original: "Traité de Peinture." A collection of Leonardo's writings on art theory and practice, compiled posthumously by his pupil Francesco Melzi.
Hair original: "Chevelure." Leonardo was fascinated by the mathematical flow of hair, comparing its movement to the vortices of water.
Édouard Rouveyre A Parisian publisher active around 1900 who specialized in high-quality facsimiles of historical manuscripts.
Leaf original: "Feuillet." A single sheet of paper; in this context, it refers to the physical manuscript page being reproduced.
Front original: "Recto." The right-hand page of an open book or the front side of a loose leaf.