4i Of tf>ej®ecf»nta! Caufe* 



it be total, 'tis called Exficcation, as 

 when dry fait of Tartar is obtained 

 from the filtrated Lixivium of the 

 calcined Tartar 3 and though the 

 evaporation be not total, yet 

 the effe&s of it are not wo«t fo 

 be reckoned amongft Precipitati- 

 ons. And although the way, t am 

 about to propofe, 11 it be attentive* 

 ly confideredj has much affinity with 

 the foregoing, and the ?h&nomtn& 

 may perhaps in fome (brt be reduced 

 to them 5 yet the inftances that I 

 (hall name, having not, that I know, 

 been thought of by others, and being 

 fuch as every one would not deduce 

 from what I have been mentio- 

 ning, I (hall add a word of the in- 

 ducements I had to make the try- 

 als , as well as of the fuccefs of 

 them. 



Confidering then, that Water will 

 not diffblve Salts indefinitely , but 

 when it has received its due propor- 

 tion, 'twill then diflblve no more, 

 but, if they be put into it, let them 



fall 



