
Galvanic experiments on severed bovine heads, Aldini 1804
An engraved plate showing four severed cow heads on wooden stands, each wired to metal rods and conductors on stands with candles or posts. Two heads sit on a shelf above, two on a table below, with numbered figure labels. The fine line engraving shows a laboratory-style demonstration setup.
- Artist
- Giovanni Aldini
- Date
- An XII. [12] -- M.DCCCIV. [1804]
- Medium
- Source
- Wellcome Collection
- Size
- 4000 × 2914 px
Public domain · Wellcome Collection marks it Public Domain Mark; made by 1804.
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


![The natural history of the human teeth: explaining their structure, use, formation, growth, and diseases / [John Hunter].](/t/c6bd6e.jpg)


![Medical botany. Containing systematic and general descriptions, with plates of all the medicinal plants, comprehended in the catalogues of the materia medica, as published by the Royal Colleges of Physicians of London, Edinburgh, and Dublin; together with the principal medicinal plants not included in those pharmocopoeias. Accompanied with a circumstantial detail of their medicinal effects, and of the diseases in which they have been most successfully employed / [William Woodville].](/t/03da7d.jpg)