INSUFFICIENCY 



OF THE 



THEORIES PROPOSED FOR EXPLAI- 

 NING THERMAL HEAT. 



tt No stranger," says Mr. Berzelius, "contemplates 

 "the boiling and springing Sprudel without asking 

 "whence its temperature proceeds. The answer is the 

 "more difficult, as in the absolute impossibility of 

 "reaching the hearth which imparts it, we shall never 

 "know the means employed by Nature to form it, nor 

 "how that water is impregnated with substances, of 

 "which, as far as investigations have shewn, the 

 "mountains of Carlsbad contain too little to account 

 "for the enormous quantities of sulfate and carbonate 

 "of soda, emitted from the wells, in the course ol 

 "only one year." 



"It is highly probable," adds he, "that the heat 

 "and nature of the substances, which impregnate this 

 "water, are so closely united, that the cause of 



