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Observations (from experience) on the aid obtained, in various diseases, (particularly those incidental to tropical climates,) by the external application of the nitro-muriatic acid in a bath : with several cases, wherein it has been used by the author with great utility. To which is added, the present most approved method of mixing the acids, and preparing the bath / by Phineas Coyne. Public Domain Mark. Source: Wellcome Collection.