M0018956: Sphygmograph chart, 1885
- Date:
- December 1961-January 1962
- Reference:
- WT/D/1/20/1/168/67
Licence: Public Domain Mark
Credit: M0018956: Sphygmograph chart, 1885. Source: Wellcome Collection.
Licence: Public Domain Mark
Credit: M0018956: Sphygmograph chart, 1885. Source: Wellcome Collection.
