Friedrich Heinrich Alexander von Humboldt. Line engraving by R. Trossin after H. Biow.
- Biow, H. (Photographer)
- Reference:
- 4405i
Licence: Public Domain Mark
Credit: Friedrich Heinrich Alexander von Humboldt. Line engraving by R. Trossin after H. Biow. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0002935/full/800%2C/0/default.jpg)