Licence: In copyright
Credit: Opera omnia. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)
41/502 (page 21)
Licence: In copyright
Credit: Opera omnia. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)