[Letter to Hon. C. Cushing, Attorney General of the United States, concerning the patent issued to Dr. W.T.G. Morton].

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

[Letter to Hon. C. Cushing, Attorney General of the United States, concerning the patent issued to Dr. W.T.G. Morton]. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)