crease the purgative action of the mineral waters, for which from one to two drachms of it should be added to the first tumbler; it may also be used independently, or after having taken the waters at Carlsbad in the dose of from one to four drachms daily, dissolved in hot water, and mixed with from two to four tumblersful of soda, selters, or imported Carlsbad water. The price (at Carlsbad) of one pound of the salt is 3 florins (6 Mark = 6 shillings).
V.—THE SPRUDEL-SOAP.
This soap is made from the alkaline salt of the water of the Sprudel, and contains some iodine and bromine; it is principally used in chronic diseases of the skin, and as a poultice, either pure or mixed with mud, for the so-called cold abscess. The price of one pound of soap is 1 fl. 20 kr.; the 1⁄4 lb. cake is sold at 35 kr.
VI.—THE MINERAL WATERS FOR EXPORTATION.
Although the waters from all the hot mineral springs are used for exportation, the cooler ones are best suited for this purpose, because they contain more carbonic acid gas, and consequently their water, put into bottles well corked, will keep its strength for several years. This water may be
