Licence: In copyright
Credit: La science et l'hypothèse / par H. Poincaré. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)
299/304
Licence: In copyright
Credit: La science et l'hypothèse / par H. Poincaré. Source: Wellcome Collection.
Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)