Optics: colour scales for violet and yellow. Colour mezzotint [?] by R.H. Digeon, ca. 1868, after J. Silbermann.
- Silbermann, J.
- Reference:
- 47058i
Licence: Public Domain Mark
Credit: Optics: colour scales for violet and yellow. Colour mezzotint [?] by R.H. Digeon, ca. 1868, after J. Silbermann. Wellcome Collection. Source: Wellcome Collection.
