A history of the materia medica. Containing descriptions of all the substances used in medicine, their origin, their characters when in perfection, the signs of their decay, their chymical analysis and an account of their virtues, and of the several preparations from them now used in the shops / by John Hill.

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A history of the materia medica. Containing descriptions of all the substances used in medicine, their origin, their characters when in perfection, the signs of their decay, their chymical analysis and an account of their virtues, and of the several preparations from them now used in the shops / by John Hill. Public Domain Mark. Source: Wellcome Collection.