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niftied me by Nature , did by being 

 feveral times feparated and fecon- 

 joyned without additament «> at each 

 congrefs produce a fenlible Heat. 



And an Inftance of 

 EX PER. III. this kind, though 



not fo odd, I pur- 

 pofely fought and found in Salt of 

 Tartar , from which , after it had 

 been once heated by the affufion of 

 water, we abftradfced or evaporated 

 the Liquor without violence of fire, 

 till the Salt was again dry 5 and then 

 putting on water a fecond time , the 

 fame Salt grew hot again in the Vial, 

 jjnd , if I mifremember not , it pro- 

 duced this Incalefcence the third 

 time, if not the fourth 5 and might 

 probably have done it oftner , if I 

 had had occafion to profecute the 

 Experiment Which feems at leaft 

 to argue, that the great violence of 

 fire is not necefTary to imprels what 

 paffes for an Empyreum upon all 

 calcined bodies that will heat with 

 water? 



And 



