The Five Elements of the Cosmos

A vertical engraving showing a cylindrical, bottle-like container divided into five horizontal layers. Each layer represents a different element, labeled from bottom to top: 'Terra' (Earth), 'Aqua' (Water), 'Aer' (Air), 'Ignis' (Fire), and 'Æther' (Aether). The shading transitions from dark, dense hatching at the bottom to lighter, sparse stippling at the top, signifying a progression from solid, heavy matter to the subtle, pure substance of the heavens.

This illustration originates from Robert Fludd’s 'Utriusque Cosmi Historia' (1617), a seminal work of Renaissance cosmology. It visualizes the Hermetic and Neoplatonic concept of the 'Great Chain of Being,' where the universe is structured in a hierarchy of decreasing density from the terrestrial plane to the divine quintessence.