[ 263 ] 



of it with one of nitrous air occu-^ 3 "^ 

 pied 1.02; one meafure of it with* r e 8 |J£ 

 two of nitrous air occupied 2.oo. troyed ' 

 The refult of Abbe Fontana's teft 

 was 1.96; 2.13^; 3-i 2 r- 187; 



So that it already furpafTed in ap- 

 pearance the be it common air ; 

 it exploded however with a loud 

 report. I placed the jar again in 

 the garden, and examined the air 

 after it had flood during 48 hours, 

 when I found it to all appearance 

 ftill more improved ; for one mea- 

 fure of it with one of nitrous air 

 occupied 0.96 ; and with two mea- 

 fures of nitrous air 1.80. The re- 

 fult of Abbe Fontana^s teft was 

 i-97 ; i-93 ; 2 -72y; 3- 66 t 235 



It ftill exploded with great vio- 

 lence. 



I placed the jar again in, the 



garden during four hours longer in 



S 4 a fair 



