Batts} a 
oR Quan- 
candle could not burn in it: where-ney of 
the two 
as two handfuls of walnut-leavesairs def 
placed in the fun-fhine had yielded 
in the fame time a great quantity 
of very pure dephlogifticated air, 
whofe teft was 1.69; 1.823 1 a 
I.545 2.353 3°34 
47. At the fame time two hand- 
fuls of oak leaves were in the fame 
Manner placed under the fame 
bufhes ; the air tof thefe leaves was 
' _ for it was Sei 
ee ses, 
‘Be PHe Gaine was one ae 
willow leaves ; the air obtained was 
alfo of a bad quality, but better 
than that of oak or walnut-leaves. 
“49. The fame was alfo done 
with leaves of e/m-tree ; the air ob- 
taitied was very foul, as one meafure 
of it with one of nitrous 3 air ‘occu 
x! 1-99 ges 
Pose 50. 1 
466 
