of #eat ant) CTolij* %j 



tine had been employed inftead of 

 Oyl of Vitriol 5 the change which 

 was produced as to Qualities being 

 but akind of Tepidnefs difcoverable 

 by the Touch. 



Almoft the like fuccefs we had in 

 the Conjun&ion of Petroleum , and 

 Spirit of Nitre 5 a more full account 

 whereof may be tlfewhere met 

 with. 



In this and the Jate Trials I did 

 not care to make ufe of Spirit of 

 Salt , becaufe , at lead 5 if it be but 

 ordinarily ftrong, I found its ope- 

 ration on the Liquors above menti- 

 oned inconfiderable, (and fometimes 

 perhaps fcarce fenfible)incomparifon 

 of thofe of Oyl of Vitriol 3 and in 

 fome cafes of dephlegtn'd Spirit of 

 Nitre. 



EX- 



