Studies of legs of man and the leg of a horse, Leonardo da Vinci, between 1506 and 1507

Date: between 1506 and 1507. Dimensions: height: 285 mm (11.22 in); width: 205 mm (8.07 in). Medium: ink, pen, red chalk on red prepared paper. Collection: Royal Library at Windsor Castle. Leonardo da vinci, Studies of legs of man and the leg of a horse