
Alchemical diagram of the art of alchemy, engraving by Raphael Custos, 1616
Engraved alchemical diagram in three tiers: a two-headed eagle, a lion and a cube with dice-like faces above, two circular diagrams with inscriptions in the middle, and a laboratory with figures, vessels and a furnace below. Dense black-and-white linework, with the signature 'Raphael Custos fecit' at lower left.
- Artist
- Custos, Raphael, 1590-1651.
- Date
- 1616
- Medium
- Diagrams Engravings
- Source
- Wellcome Collection
- Size
- 3132 × 4000 px
Public domain · Wellcome Collection marks it Public Domain Mark; made by 1616.
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)
Rights checked 2026-11-05 · tier A · as stated by the source: Public Domain Mark (Wellcome Collection)
Credit (appreciated, not required for public-domain works): Wellcome Collection

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