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The sphygmometer, an instrument which renders the action of the arteries apparent to the eye : the utility of this instrument in the study of disease, researches on the affections of the heart, and on the proper means of discriminating them considered : being a memoir, presented to the Institute of France / by Julius Hérisson ; with an improvement of the instrument and prefatory remarks by the translator, E.S. Blundell. Public Domain Mark. Source: Wellcome Collection.
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This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.