Observations on the nature and properties of fixible air, and on the salutary effects of the aqua salubris, in preserving health, and preventing diseases : To which are added, strictures on the present practice of physic, pointing out the causes which greatly obstruct the improvement of the healing art ... / By John Melvill.

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Observations on the nature and properties of fixible air, and on the salutary effects of the aqua salubris, in preserving health, and preventing diseases : To which are added, strictures on the present practice of physic, pointing out the causes which greatly obstruct the improvement of the healing art ... / By John Melvill. Public Domain Mark. Source: Wellcome Collection.