Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Observations on the origin and treatment of cholera and other pestilential diseases, and on the gaseous oxide of nitrogen as a remedy in such diseases : as also in cases of asphyxia from suffocation and drowning, and against the effects of narcotic poisons / by John Hancock. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.