Observations on the external and internal use fo hemlock, and on the outward application of other remedies, for the cure of inward disorders. In a letter, from Dr. Hoffman, professor of physic at the University of Steinfort, to his friend at Munster, in Germany. Translated from the German original, by J.O. Justamond, surgeon to the second regiment of Dragoon Guards. With an explanatory preface, by the Translator.