Design for a machine for grinding convex lenses, 1500, Leonardo Da Vinci

Medium: ink,paper

https://www.wikiart.org/en/leonardo-da-vinci/design-for-a-machine-for-grinding-convex-lenses

The proportions of the head, 1490, Leonardo Da Vinci

Medium: metalpoint,ink,paper

artist-bruegel:

Dulle Griet (Mad Meg), 1564, Pieter Bruegel the Elder

Medium: oil,canvas

https://www.wikiart.org/en/pieter-bruegel-the-elder/dulle-griet-mad-meg-1564

artist-bosch:

Last Judgement, 1486, Hieronymus Bosch

Medium: oil,panel

Cannon foundry, 1487, Leonardo Da Vinci

Medium: ink,paper

Anatomical studies (larynx and leg), 1510, Leonardo Da Vinci

Medium: ink,paper

Study of a Figure for the Battle of Anghiari, 1505, Leonardo Da Vinci

Medium: chalk,paper

artist-raphael:

The Visitation, 1518, Raphael

Study of St Anne, Mary and the Christ Child, 1503, Leonardo Da Vinci

Medium: charcoal,ink,paper

Study for the Last Supper: James, 1495, Leonardo Da Vinci

Medium: chalk,paper