4 ^Dft^e f*ec&am'tal €mU» 



calcined Tartar 5 which is the moft 

 general and ufual Precipitant they im- 

 ploy. 



But I fee not, how either of thefe 

 caufes will either reach to all theP&f • 

 uomen* that have been exhibited, or 

 give a true account even of fbme of 

 thofe, to which it feetns applicable* 

 For firft} in Precipitations, wherein 

 what they call a fympathy between 

 the liquors, is fuppofed to produce 

 the eneft , this admired fympathy 

 does not (in my apprehen(ion)evince 

 fucha myfterious occult Quality as 

 is prefumed, but rather conii ft s in a. 

 greater congruity as to bigne(s,(hape, 

 motion and pores of the minute parts 

 between the Menftruum andthePmi- 

 pitant^hzn between the fameSolvent 

 and the body it kept before difTolv- 

 ed. And though this fympathy 

 rightly explained may be allowed to 

 have an intereft in fome fuch Preci- 

 pitations as let fall the diflblved bo- 

 dy in its priftine nature and form^ 

 and only reduced into minute pow- 

 der j yet I find not, that in the gene- 

 rality 



