Optische Untersuchungen / [Johann August Grunert].
- Grunert, Johann August, 1797-1872.
- Date:
- 1846-1851
Licence: Public Domain Mark
Credit: Optische Untersuchungen / [Johann August Grunert]. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Optische Untersuchungen / [Johann August Grunert]. Source: Wellcome Collection.