388 ESSAYS and OBSERVATIONS 



was eafily taken i3p, as it adhered to any 

 tiling put into ir, and was of a golden 

 colour : I took up as much of the water 

 as filled a wine glafs ; and, with powder 

 of galls, it immediately ftruck a blue. 



On the [ 3th. the Iharp aluminous talle 

 ftlll remained llrong, but the chalybeate 

 was fcarce to be diltinguiilied ; the quan • 

 tity of the precipitate, and the pellicle on 

 the top, were much the fame; but the yel- 

 low fubftance, adhering to the bowl, was 

 rather more : Into a glafs of this water, I 

 dropped fyrup of violets ; it turned of a 

 faint green : To another glafs of the fame, 

 I put powder of galls ; it immediately 

 ftruck a blue tindure, but not fo deep as 

 on the 6th. 



On .October 9th, it had a more alumi- 

 nous tafte than the freih fpaw water ; the 

 chalybeate tafte was fcarce to be diilin- 

 guiihed ; the precipitate yellow fubftance 

 adhering to the bowl, and the pellicle on 

 the furface, much the fame as on the 13th 

 uU- ; the water was as limpid as on the 

 firft day; fyrup of violets changed its co- 

 lour to a deeper green than before, and, 



with 



