168 
MR. GLAISHER ON THE RADIATION OF HEAT 
Table (Continued). 
General state of the sky during the night previous to reading the instruments. 
Number 
of the 
Tables. 
1841. 
Month. 
Cloudy. 
Broken clouds. 
Half-cloudy. 
Principally clear. 
Cloudless. 
Day and 
hour of 
reading. 
Excess of 
the reading 
of the ther- 
mometer in 
air above 
that placed 
in the focus 
of the re- 
flector. 
Day and 
hour of 
reading. 
Excess of 
the reading 
of the ther- 
mometer in 
air above 
that placed 
in the focus 
of the re- 
flector. 
Day and 
hour of 
reading. 
Excess of 
the reading 
of the ther- 
mometer in 
air above 
that placed 
in the focus 
of the re- 
flector. 
Day and 
hour of 
reading. 
Excess of 
the reading 
of the ther- 
mometer in 
air above 
that placed 
in the focus 
of the re- 
flector. 
Day and 
hour of 
reading. 
Excess of 
the reading 
of the ther- 
mometer in 
air above 
that placed 
in the focus 
of the re- 
flector. 
d h 
O 
d h 
d h 
d h 
d h 
Oct. 
27 21 
0-6 
1 21 
3-6 
6 21 
2-4 
15 21 
7-0 
16 21 
8-2 
28 21 
2*1 
2 21 
2-5 
7 21 
2-4 
17 21 
12-9 
29 21 
2-7 
3 21 
1-0 
8 21 
3-9 
19 21 
6-7 
30 21 
0-0 
4 21 
3-1 
9 21 
4-6 
20 21 
7-9 
31 21 
2-1 
5 21 
3-1 
12 21 
4-8 
21 21 
7-9 
10 21 
3-8 
14 21 
4-1 
11 21 
3-2 
18 21 
4-5 
13 21 
3-4 
22 21 
5-9 
26 21 
2-1 
23 21 
4-7 
24 21 
4-2 
25 21 
3*5 
Nov. 
1 21 
2-4 
3 21 
2-2 
2 21 
8-9 
22 21 
7-0 
6 21 
9-0 
21 21 
2-0 
4 21 
— M 
5 21 
4-3 
23 21 
6-7 
8 21 
8-8 
27 21 
2-7 
7 21 
4-1 
10 21 
5-7 
26 21 
7-9 
11 21 
9-4 
9 21 
3-2 
24 21 
5*6 
12 21 
5-4 
>< 
13 21 
0-9 
25 21 
5-7 
14 21 
8-2 
15 21 
1-1 
30 21 
6-1 
16 21 
10-0 
20 21 
2-4 
17 21 
9*2 
28 21 
4’9 
18 21 
8-6 
29 21 
5-0 
19 21 
3-6 
Dec. 
19 21 
4-5 
2 21 
5'3 
1 21 
5-1 
3 21 
6-9 
6 21 
8-2 
28 21 
4-3 
7 21 
3-9 
4 21 
5-0 
8 21 
7-1 
10 21 
7-8 
29 21 
4*2 
12 21 
4-0 
5 21 
5-9 
16 21 
8-0 
14 21 
8-9 
. 
24 21 
1-0 
9 21 
6-1 
21 21 
6-6 
17 21 
8-9 
25 21 
3-7 
11 21 
5-9 
23 21 
6-7 
18 21 
11-8 
27 21 
4-4 
13 21 
4-4 
20 21 
8*5 
15 21 
5-8 
26 21 
6-5 
22 21 
8-2 
30 21 
5-6 
1842. 
Jan. 
8 21 
2-1 
0 21 
5-0 
1 21 
7-6 
6 21 
5-5 
7 21 
6-0 
9 21 
2-5 
2 21 
2-7 
3 21 
8-7 
12 21 
7-8 
14 21 
9*1 
10 21 
4*5 
4 21 
4-7 
15 21 
7-0 
23 21 
10-7 
11 21 
1-8 
5 21 
4-5 
16 21 
4-9 
24 21 
10-7 
l-H 
13 21 
2-4 
17 21 
3-6 
22 21 
6*4 
25 21 
8-1 
>■1 
18 21 
2-0 
28 21 
6-6 
26 21 
5-5 
27 21 
12-0 
l-H 
19 21 
2-2 
30 21 
5-3 
31 21 
6-1 
20 21 
0-6 
21 21 
3-8 
29 21 
1-5 
Feb. 
7 21 
1-6 
2 21 
3-7 
3 21 
4-3 
1 21 
7*3 
13 21 
6-0 
11 21 
1-0 
4 21 
3-3 
5 21 
5-0 
6 21 
5-7 
15 21 
8-9 
hH 
16 21 
2-8 
8 21 
1-2 
12 21 
7-2 
14 21 
5-4 
17 21 
8-4 
i-H 
23 21 
1*4 
9 21 
2-5 
20 21 
6-4 
18 21 
5*0 
25 21 
9*3 
►J 
24 21 
2*3 
10 21 
3-8 
21 21 
5-4 
19 21 
5-5 
22 21 
3-9 
27 21 
5-4 
28 21 
5*6 
