Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
On the inhalation of the vapours of ether. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.