The semi-centennial of anaesthesia : October 16, 1846, October 16, 1896.
- Massachusetts General Hospital.
- Date:
- 1897
Licence: Public Domain Mark
Credit: The semi-centennial of anaesthesia : October 16, 1846, October 16, 1896. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/L0011727/full/800%2C/0/default.jpg)