Nebuliser: "Roger's Pocket Nebuliser", inscribed on glass.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Nebuliser: "Roger's Pocket Nebuliser", inscribed on glass. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Nebuliser: "Roger's Pocket Nebuliser", inscribed on glass. Wellcome Collection. Source: Wellcome Collection.