Early sphygmomanometer with arm-band by Hawksley.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Early sphygmomanometer with arm-band by Hawksley. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Early sphygmomanometer with arm-band by Hawksley. Wellcome Collection. Source: Wellcome Collection.