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. ...
Ash, John,1723-1798.
London : printed for J. Robson, and W. Clarke,
1788.
Postscript dated: July 1st, 1788.
ESTC