Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Rendle-type inhaler, England, 1869-1910. Science Museum, London. Source: Wellcome Collection.

Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Rendle-type inhaler, England, 1869-1910. Science Museum, London. Source: Wellcome Collection.
