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always kept full of water for the 

 horfes. I put a good deal of this 

 fubftance in a jar holding a gallon 

 of pump-water, and inverted it in 

 an earthen pan. In a week's time 

 I found about i~ pint of very fine 

 dephlogifticated air collected in the 

 jar, which furpaffed in purity the 

 air obtained in another jar from the 

 green matter generated by itfelf, 

 See experiment i p p . 



SEC 



