so €>f tlje Jltetfmnf cal £#gine of 



is the Oyl of Antimony made by re- 

 peated Redifications of what Chy« 

 mifts call its Butter which, whatever 

 fbme fay to the contrary 5 does 

 much abound in Antimonial Sub- 

 ftance* 



EX PER, IX. 



Bllt I fhall return to our Aqua Re- 

 gia> becaufe the mention I had 

 pcpafion to make of that Solvent 

 brought into my mind what I de- 

 vised, to make it probable , that a 

 fmaller' change 5 than one would 

 lightly imagine, of the bulk 5 fhape, 

 or folidity of the Corpufcles of a 

 Menftruum may make it fit to dif- 

 folve a Body it would not work on 

 before. And this I the rather at- 

 tempted,, becaufe the warier fort of 

 Chymifts themfelves are very (hye 

 of the inward u(e or preparations 

 made of Gold by the help of Aqua 

 Fortify becaufe of the odious ftink 

 &ey find j and the venenofity they 



fufpeft 



