1 6 3[m}»i:fertwtt of tty €f#mtff '* 



Sulphur and Mercury. And then 

 why fhould we deny , that alfo in 

 compounded bodies thofe Qualities 

 may be (fometimes at leaft) produ- 

 ced by the fame or the like Caufes > 

 As we fee 5 that the redu&ion of a 

 diaphanous Solid to pouder^ produ- 

 ces whitenefSj whether the commi- 

 nution happens to Rock-cryftal or 

 to Venice-glafs^ or to Ice : The firft 

 of which is acknowledged to be a 

 natural and perfectly mixt body 5 the 

 fecond a fa&itious and not onely 

 mixt but decompounded body 5 and 

 the laft 3 for ought appears., an ele- 

 jnentary body, or at moft very flight- 

 fy and imperfeftly mixt. And fo by 

 mingling Air in fmall portions with a 

 diaphanous Liquor, as we do when 

 we beat fuch a Liquor into foam, a 

 whitenefs is produced, as well in pure 

 Water, which is acknowledged to be 

 a fimple body, as in white Wine, 

 which is reckoned among perfe&ly 

 mixt bodies. 



CHAP. 



