Person
Digeon, René Henri, active 1866-1872.
Images
![Optics: crystals exhibiting interference colours. Colour mezzotint [?] by R.H. Digeon, ca. 1883, after J. Silbermann.](https://iiif.wellcomecollection.org/image/V0025370EL/full/282%2C/0/default.jpg)
![Optics: crystals exhibiting interference colours. Colour mezzotint [?] by R.H. Digeon, ca. 1883, after J. Silbermann.](https://iiif.wellcomecollection.org/image/V0025371/full/282%2C/0/default.jpg)
Catalogue
- Pictures
Optics: a colour-circle, after M. E. Chevreul. Colour aquatint (?) by R.H. Digeon, ca. 1868.
Date: 1868Reference: 47500i- Pictures
Optics: emission spectra of various metals. Colour aquatint by R.H. Digeon, ca. 1883.
Date: 1883Reference: 47499i
- Pictures
- Online
Optics: spectra of various gases. Colour aquatint by R.H. Digeon, ca. 1883.
Date: 1883Reference: 47498i
- Pictures
- Online
Meteorology: a double rainbow. Colour lithograph by R.H. Digeon, 1868, after E. Ronjat.
Ronjat, Etienne Antoine Eugène, 1822-Date: 1868Reference: 46623i
- Pictures
- Online
Optics: crystals exhibiting interference colours. Colour mezzotint [?] by R.H. Digeon, ca. 1883, after J. Silbermann.
Silbermann, J.Date: 1883Reference: 47057i