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.

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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. Public Domain Mark. Source: Wellcome Collection.

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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.)