EXPER. I. 



2? divide a Body, almoji infipid ^ into 

 two Bodies of very firong and very 

 differing Tajls. 



?rTrM S obferyed, that Salt-peter 

 | refined^ and by that purifica- 

 tion freed from the Sea-falt that is 

 wont to be mingled with it, does 

 rather cool the tongue, than make 

 any great faporifick impreffions on it. 

 And though I will not fay, that it is, 

 asfome have thought, an infipid bo- 

 dy} yet the bitterifhnefs, which feems 

 £o be its proper taft, is but very faint 

 and languid. And yet this alrooft 

 infipid body, being diftilled by the 

 way of Inflammation, (which I elfe- 

 where teach,) or even by the help of 

 an additament of fuch clay as is it 

 felfataftlefsbody, will afford a Ni- 

 trous fp!rir 5 that is extreamly (harp 

 pr corrotive upon the tongue, and 

 will diffolve feveral Metals thetn- 

 felvcs, and a fixt fait, that is like- 

 wife 



