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Credit
Anaesthetic agents : the respectful notice, protest and memorial of W.T.G. Morton, M.D., discoverer and patentee of etherization : addressed to His Excellency the President, the honorable Secretaries of the Treasury, War, Navy, and Interior, touching the use of his discovery in the public service in violation of his vested rights under the letters patent of the United States. 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.)