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A rational and mechanical essay on the small-pox. Wherein the cause, nature, and diathesis of that disease, it's symptoms, their causes, and manner of production, are explained and accounted for according to the laws of motion, and circulation of the animal fluids ... With the diagnostic and prognostic symptoms, through all the stations of the disease; and a new method of treating it ... To which is prefixed, a short history of the first rise and progress of that disease; and an essay on a new method of curing it ... / By William Hillary. Public Domain Mark. Source: Wellcome Collection.