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water much impregnated with fixe4 

 air difturbs the natural operation of 

 the leaves in yielding dephlogifu- 

 cated air, and that the air thus 

 obtained was chiefly the fixed air 

 from the water, and fome little 

 quantity of air, which is fometimes 

 better than common air, but for 

 fhe moil part much worfe. 



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