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Credit
Recherches sur le mécanisme de la voix humaine / par F. Bennati ; précédé du Rapport de MM. G. Cuvier, de Prony et Savart. À l'Académie royale des sciences. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.