Page:Guide through Carlsbad and its environs.djvu/32

 place should be resorted to for the perfection of the cure, must be left to the judgment of the medical adviser.

1.  is close to the Sprudel, and has a temperature varying from 19° R. (75° F.) to 24° R. (86° F.); it contains 16 grs, solid constituents in 1 lb. of the water; the constituents are the same as are contained in the warm springs, and vary only with regard to their quantities, i. e., sulphate of soda, 6.62 grains; carbonate of soda, 3.70; muriate of soda, 2.89; carbonate of lime, 1.17; sulphate of potash, 0.66; carbonate of magnesia, 0.14; siliceous earth, 0.15; and free carbonic acid, 8.69. This spring agrees best with persons suffering from chronic catarrhal affections of the chest, and is taken pure, or with the addition of one-third of milk or whey, in the dose of from three to six tumblersful.

2., at the back of the Dorotheenau, may rather be called a gas-spring than a water-spring, as the influx of water is very small. The temperature varies between 7° and 12° R. (48 and 59° F.); it contains very few mineral constituents, only 2 grains in 1 lb. of the water, principally siliceous earth, and somewhat over 20 cubic