An Account of the Nature and Medicinal Virtues of the Principal Mineral Waters of Great Britain and Ireland, and Those Most in Repute on the Continent. To Which Are Prefixed, Directions for Impregnating Water with Fixed Air, in Order to Communicate to It the Peculiar Virtues of Pyrmont Water, and Other Mineral Waters of a Similar Nature; Extracted from Dr. Priestley's Experiments on Air. With an Appendix, Containing a Description of Dr. Nooth's Apparatus, with the Improvements Made in It by Others; and a Method of Impregnating Water with Sulphureous Air, so as to Imitate the Aix-La-Chapelle and Other Sulphureous Waters