of Comical Pjmpttation* 29 



taut and the metal ( or other Solu- 

 turn) and perhaps of the folvent too, 

 yet a Precipitation will not necefla- 

 rily follow, though the faline par- 

 ticles of the two liquors feemed^ by 

 the heat and ebullition excited be- 

 tween them upon their meeting, to 

 exercife a great and mutual antipa- 

 thy. To fatisfie fome Ingenious men 

 about this particular, I diffolved Zint^ 

 or Speltar in a certain urinous fpirit > 

 (for^ there are more than one that 

 may ferve the turni) and then 

 put to it a convenient quantity of a 

 proper acid fpirit 5 but though there 

 would be a manifeft conflict thereby 

 occafipned betwixt the two liquors 5 

 yet the fpeltar remained diffolved in 

 the mixture. And I remember.that for 

 the fame purpofe I devifed another 

 Experiment^which is fome what more 

 eafie and more clear. I diffolved 

 Copper calcined perfe, or even crude, 

 in ftrong fpirit of (alt > (for unlefs 

 it be fuch, it will not be fo proper, ) 

 and having put to it by degrees a 

 C 2 good 



