Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Compound monocular microscope, Vienna, Austria, 1831-1870. Science Museum, London. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Compound monocular microscope, Vienna, Austria, 1831-1870. Science Museum, London. Source: Wellcome Collection.