PP. gaa J 
placed towards the fun rather better 
than the common air was at that 
time. But the air of the other jar 
- was le{s good than the common air; 
for one meafure of it with one of 
nitrous air occupied 1.133; where- 
as ohne meafure of the common air 
with one of nitrous air occupied 
1.062 seks 
46. Two handfals of leaves of a 
walnut-tree were put into a gallon 
jar, filled with pump water, .and 
placed about four feet from the 
wall of the houfe towards the north, 
and under the fhade of rafsberry- 
_ bufhes, fo that no rays of the fun 
could reach it. Aifter ftanding there 
during feven hours in an agreeable 
warm day, fcarce 2, of air was ob- 
tained of what thefe leaves ufed to = 
. . Sive in the fun-fhine; and this air - 
*= = was of-fuch a bad. quality that a a 
—— : candle 
~ 
