Optical instruments including Dallmeyer's triplet. Photolithograph by Simonau et Toovey , ca. 1860.
- Date:
- [1860?]
- Reference:
- 578791i
Licence: Public Domain Mark
Credit: Optical instruments including Dallmeyer's triplet. Photolithograph by Simonau et Toovey , ca. 1860. Wellcome Collection. Source: Wellcome Collection.
