Page from the Ratisbon spectacle makers catalogue.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Page from the Ratisbon spectacle makers catalogue. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Page from the Ratisbon spectacle makers catalogue. Wellcome Collection. Source: Wellcome Collection.