A three headed monster in an alchemical flask, representing the composition of the alchemical philosopher's stone: salt, sulphur, and mercury. Watercolour painting by E.A. Ibbs.
- Ibbs, Edith A.
- Date:
- 1900-1909
- Reference:
- 38824i
Licence: Public Domain Mark
Credit: A three headed monster in an alchemical flask, representing the composition of the alchemical philosopher's stone: salt, sulphur, and mercury. Watercolour painting by E.A. Ibbs. Wellcome Collection. Source: Wellcome Collection.
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