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obferved, that Oyi of Vitriol would 

 not grow hot but cold by being put 

 upon Sal Armooiac: Something like 

 which I took notice of in rectified 

 Spirit of Sulphur made per Campa- 

 nam^ but found the effeft much more 

 confiderable y when , according to 

 the Ingenious Florentine Experi- 

 ment, I made the Trial with Oyl of 

 Vitriol 5 which Liquor having al- 

 ready furntflhed us with as many 

 Vh&nomenA for our prefent purpolc 

 as could be well expected from one 

 Agent , 1 (hall fcarce in this Paper 

 about Heat make any farther ufe of 

 it v but proceed to fome other Expe- 

 r mentSj wherein it does not inter- 

 vene. 



EX- 



