The author, after mentioning that no analysis of this water is to be found in any English work, and the great multitudes who resort to it, described briefly the situation of the Ursprung or original spring, the chief one at Baden, which was known to, and esteemed by, the Romans.

It has a temperature of 153·5° F., and contains, in the imperial gallon, 181·120 grains of solid matter. The predominating ingredient is chloride of sodium or common salt, which amounts to 132·6 grains in the gallon.