[ 232 ] 



. 8o. Six fmall Bergamot pears 

 were put over-night under a jar of 

 two pints ; the air was altered fome- 

 what for the worfe ; a flame grew 

 dim in it. One meafure of this 

 air with one of nitrous air occupied 

 1.25. 



81. Three apples nearly ripe 

 were placed under ;a two-pint jar 

 over-nio-ht ; the air was found much 

 infected by them ; it extinguifhed 

 a flame. One meafure of it with 

 one of nitrous air occupied 1.48. 



82. The remainder of the air in 

 this jar was kept with the apples, 

 and expofed to the fun during feven 

 hours, when the air was become 

 ftill worfe. One meafure of it with 

 one of nitrous air occupied 1.72. 

 A flame was directly extinguifhed 

 in it. 



S3. Four 



