Gasoline furnace used in dentistry, 1903.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Gasoline furnace used in dentistry, 1903. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Gasoline furnace used in dentistry, 1903. Wellcome Collection. Source: Wellcome Collection.