384 ESSAYS AND OBSERVATIONS 



Art. XII. 



Experiments and Obfcrvations upon the Hart-* 

 fell Spaw, made at Moffat 1750; and an 

 Account of its Medicinal Virtues, fo far as 

 they have hitherto been difcovered from Ex- 

 perience; by William Horseburgii, 

 M,D, 



"T^ HIS Spaw fprings from the Hartfell 

 mountain, about three miles north 

 of Moffat ; and is commonly called Wil- 

 liamfori's luater^ from Mr John Williamfon 

 who difcovered it in 1748, and who haj 1 

 been at a good deal of pains, and fome 

 cxpence, to make it acceffible, by mending 

 the road, clearing away the dirt about 

 the fpring, and fitting it with a fpout, 

 that it may be more conveniently taken 

 up. 



The water on which I made the fol- 

 lowing experiments, had been taken up 



three 



I 



