[ . 9r6 J 
So that the fame air which the 
plants had fouled in the night was 
again: reitored to its former purity, 
and even by fome of thefe plants 
rendered better than common air, 
principally by the walnut-leaves, 
lime-tree, and vine, the teft of 
the common air being at the time 
that one meafure of it with one of 
nitrous air occupied-t.07. ~~ - 
* ome re 04, — 2 
it ie Sn tim NA gh ete 
oe Batic a RS ¥ é ty 
ee, = a 7 : 
a A I ami 
sad a ca ~ ~ 
Wf en Ae ~— 
agit ma 
si nil a 
“ie 
my ™ a i 
oe 
< es ~ 
” . “ ~~ 
set, me ey 
Bs i 
Se Se a Pace —_— F 
SEC- 
