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Medela chymica: or an account of the vertues and uses of a select number of chymical medicines adapted to the cure of the most chronick and rebellious diseases. To which is subjoyned a brief history of cures effected by them : As also, an essay upon the Acetum acerrimum philosophorum, or vinegar of antimony. With some experiments made therewith / by Christopher Packe. Public Domain Mark. Source: Wellcome Collection.