Achromatic microscope signed "Jas. Smith, London". Circa 1841-1846.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Achromatic microscope signed "Jas. Smith, London". Circa 1841-1846. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Achromatic microscope signed "Jas. Smith, London". Circa 1841-1846. Wellcome Collection. Source: Wellcome Collection.