Copy of letters patent granted to W.T.G. Morton, M.D : for the discovery of etherization, together with the specification on which the patent issued.

Licence: Public Domain Mark

Credit: Copy of letters patent granted to W.T.G. Morton, M.D : for the discovery of etherization, together with the specification on which the patent issued. 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.)