Chinese manuscript Ch'uan-t'i hsu-chih.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Ch'uan-t'i hsu-chih. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Chinese manuscript Ch'uan-t'i hsu-chih. Wellcome Collection. Source: Wellcome Collection.