t<290:.=} 
29. Three jars as above were of 
expofed to warm fun-fhine between! it. 
. d. 
eleven and twelve; in each were 
put two handfuls af leaves of an. 
Elin-tree. 
At three in the afternoon the air 
of the firft jar was_put tocthe teft ; 
it gave I.9I+3 1.93; 1.817; 2 Be 9 
ad Os ; : 
The fecond jar was examined at 
five o’ clock, the air gave I, 88 : 
1.67 5 1.673 2.65 5.3.65." —- 
- The third jar was examined at” 
fix; its air gave 1.973 1 885, 5: aes: 
22575 3:54 
N. B. On the day this expcriment 
Was made it was a verv warm fun- 
fhine from eight in the morning 
till two in the afternoon, when the 
weather began to be more and more 
dark 5 we had at thrée a. thunder 
39° 
335 
26 
Achar: and after the fky was always = 
2 Sie cloudy, | 
