€o^oftbenefeani)€o^0fiWlttp. 55 



be precipitated per fe , that is, re- 

 duc'd to a red powder without ad- 

 ditament, by the meer operation of 

 the fire 5 the Texture will be fo 

 chang'd, that the above-mention'd 

 Spirit will readily diffblve it 5 for I 

 found it upon Trial to do fo$ nay 5 

 fometimes fo readily, that I fcarce re- 

 member that I ever fawany Menftru- 

 urn fo nimbly diffolve any Metalline 

 body whatfoever/] 



EX PER. III. 



THe former Experiment is the 

 more remarkable , becaule^ 

 that though Oyl of Vitriol will in a 

 good heat corrode Quickfilver, ( as 

 we have already related in the firft 

 SeCtion^ ) yet I remember I kept a 

 Precipitate per fe for divers hours in 

 a considerable degree of Heat, with- 

 out finding it to be diflfolved or cor- 

 roded by the Menftruum. And yet 

 having, for trials fake., put another 

 parcel of the fame Mercurial pow- 

 der 



