Memorial of the surgeons and physicians of the Massachusetts General Hospital, at Boston, and members of the Massachusetts Medical Society, in support of the claim of W.T.G. Morton, M.D., for the discovery of etherization.

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Memorial of the surgeons and physicians of the Massachusetts General Hospital, at Boston, and members of the Massachusetts Medical Society, in support of the claim of W.T.G. Morton, M.D., for the discovery of etherization. Public Domain Mark. Source: Wellcome Collection.