Optics- a soap bubble exhibiting interference colours. Coloured mezzotint [?] by M. Rapine, c. 1883, after B. Desgoffe.
- from our story 'Le Monde Physique : Illustrating Scientific Phenomena Beautifully (1881)'
Optics- a soap bubble exhibiting interference colours. Coloured mezzotint [?] by M. Rapine, c. 1883, after B. Desgoffe.