of domical p^ectpftattom 4S 



fitnple water is a real Menftruum, 

 which may have its diffolving and 

 fuftaining virtue weakened by the 

 acceffion of Liquors, that are not 

 doubted to be much ftronger than it a 

 By fpecifying the hitherto menti- 

 oned wayes, whereby Precipitations 

 may be Mechanically performed 

 and accounted for, I would by no 

 means be thought to deny, that there 

 may be fome omitted here^ which 

 either others that (hall confider 

 the matter with more attention^ 

 or I my felf, if Khali have leifureto 

 do it, may thipk on. For I propofe 

 thefe but as the chief that occurr to 

 my prefent thoughts 5 and I forbear 

 to add more inftances to exemplifie 

 them , becaufe I would not injure 

 fome of my other papers, that have 

 a greater right to thofe Inftances. 

 Only this I (hall note in general., that 

 the Dodtrine and Hiftory of Preci- 

 pitations, if well delivered, will be 

 a thing of piore extent and moment 

 than feems hitherto to have been 

 imagined } fince not only feveral of 

 D 2 the 



