Free Preview of Experiments And Observations, To Investigate, By Chemical Analysis, The Medicinal Properties Of The Mineral Waters Of Spa And Aix-la-chappelle, In Germany; And Of The Waters And Boue Near St. Amand, In French Flanders. By John Ash, M.d. ...
Experiments And Observations, To Investigate, By Chemical Analysis, The Medicinal Properties Of The Mineral Waters Of Spa And Aix-la-chappelle, In Germany; And Of The Waters And Boue Near St. Amand, In French Flanders. By John Ash, M.d. ...