o( C&pmtcal pjectpttatton* 1 5 



and particularly in urinous and ani* 

 ina! (piritSj welldephlegm'd, I have 

 found, that after all hadforaconfi- 

 derable time continued in the form 

 of a perfeft liquor^ and as to fenfc 

 homogeneous, ftore of (olid cor- 

 pufcles, convening together, fetled 

 at the bottom of the glafles in the 

 form of faline Cryftals. Having 

 alfo long kept a very red folution of 

 Sulphur firft unlocked , (as ^ey 

 fpeak) made with highly re&ified 

 fpirit of urine, I obferved, that at 

 length the Sulphureous particles , 

 making little concretions between 

 themfelves, totally fubfided and left 

 the liquor almoft devoid of tinfture. 

 By which you may fee, that 'twas not 

 impertinent to mention ( as I lately 

 did ) among the fubordinate caufes 

 of Precipitation, the aflbciating of 

 the particles of & diflblved body 

 with one another- *Of which I elfe- 

 where give a notable Example in 

 the (hilling powder that I obtained 

 from Gold diflblved in a peculiar 

 Menftruun^ without any Precipi- 

 B 3 tant 3 



