Christianus de Helwich. Stipple engraving by F. G. Wolffgang after F. Jachmann.
- Jachmann, Friedrich, 1698-1768.
- Reference:
- 4131i
Licence: Public Domain Mark
Credit: Christianus de Helwich. Stipple engraving by F. G. Wolffgang after F. Jachmann. Wellcome Collection. Source: Wellcome Collection.