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New experiments upon vipers : containing also an exact description of all the parts of a viper, the seat of its poyson, and the several effects thereof, together with the exquisite remedies, that by the skilful may be drawn from vipers, as well for the cure of their bitings, as for that of other maladies / Originally written in French by M. Charas of Paris ; Now rendred English. Public Domain Mark. Source: Wellcome Collection.