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40. Two handfuls of leaves of 

 French beans were put in a jar of 

 a gallon ; it was kept inverted upon 

 a dim, and fome water poured upon 

 it ; next morning I found the air 

 fo much fouled that a candle could 

 not burn in it. One meafure of it 

 with one of nitrous air occupied 



i-39- 



41. After having taken out fome 



of the air for trial, I placed the jar 

 with the remaining air and leaves 

 in the fun from nine till eleven 

 o' clock, when I found the air fo 

 much mended, that a candle could 

 burn in it, and that one meafure of 

 it with one of nitrous air occupied 

 1. 12. 



After this I replaced it again in 

 the fun till five in the afternoon, 

 when I found the air fo much 

 mended as to be equal in goodnefs 

 to common air. 



6 42. A 



