Early history of the anaesthetic discovery; or painless surgical operations. With letters to and from Sir James Y. Simpson, Dr. Benjamin W. Richardson and Dr. Henry Bennet. Boston versus Hartford / [Robert Hanham Collyer].
- Collyer, Robert Hanham.
- Date:
- 1877
Licence: Public Domain Mark
Credit: Early history of the anaesthetic discovery; or painless surgical operations. With letters to and from Sir James Y. Simpson, Dr. Benjamin W. Richardson and Dr. Henry Bennet. Boston versus Hartford / [Robert Hanham Collyer]. Wellcome Collection. Source: Wellcome Collection.