Surface Thermometer; centigrade maximum 1/10.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Surface Thermometer; centigrade maximum 1/10. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Surface Thermometer; centigrade maximum 1/10. Wellcome Collection. Source: Wellcome Collection.