of gfpmf ca! jpjectpstatf on* 3 * 



do likewife upon a Mechanical ac- 

 count difpofe the Corpufclesof the 

 confounded liquors fo to cohere, as to 

 be too unwieldy for the fluid part. 



CHAP. VI. 



ANother way, whereby the dif- 

 folving particles of a Menftru- 

 um may be rendred unfit to fuftain 

 the diffolved body, is to prefent them 

 another that they can more eafily 

 work on. 



A notable Experiment of this you 

 have in the common pra&ice of Re- 

 finers^ who, to recover the Silver out 

 of Lace and other fuch mixtures 

 wherein it abounds, ufe to diflblve 

 it in Aqua fortify and then in the folu- 

 tion leave Copper plates for a whole 

 night for many hours. ) But if you 

 have a mind to fee the Experiment 

 without waiting fo long 3 you may 

 C 3 imploy 



