OBSERVATIONS IN FOUR BALLOON ASCENTS. 
323 
Table I. — Meteorological Observations made in the Four Balloon Ascents of 
August 17 , August 26, October 21, and November 10, 1852. 
Barometer. 
enwich 
a Time. 
Therm. 
Reading 
corrected. 
1 m s 
in. 
i 52 0 
27-40 
54 0 
26-40 
54 0 
70 
26-42t 
55 0 
25-80 
59 0 
24*22 
59 18 
66-5 
24-lOt 
59 30 
0 30 
23-62 
1 0 
23-42 
1 30 
23-33 
2 0 
23-13 
2 0 
63-0 
22-96t 
2 30 
22-93 
3 0 
22-78 
3 30 
22-83 
4 0 
22-43 
4 30 
22-33 
5 0 
22-14 
5 0 
61-0 
22*13t 
5 30 
22-04 
6 0 
21-94 
6 30 
21-84 
7 0 
21-84 
7 30 
21-84 
8 0 
21-74 
9 30 
21-49 
10 0 
21-49 
10 30 
21-34 
11 0 
21-24 
11 30 
21-13 
12 0 
21-00 
12 35 
57-0 
20-78t 
13 0 
20-65 
13 0 
20-62t 
13 30 
20-45 
14 0 
20-25 
14 0 
54-0 
20-27t 
14 30 
20-10 
15 0 
20-06 
15 15 
l9-76t 
15 30 
I9-8O 
16 0 
19-52 
16 15 
l9-57t 
16 30 
19-51 
17 0 
19-40 
17 30 
19-35 
18 0 
19-25 
18 30 
19-15 
19 0 
19-14 
19 30 
19-15 
20 0 
19-16 
20 20 
48-0 
19-15t 
20 30 
19-16 
21 0 
19-15 
21 30 
19-06 
22 0 
18-91 
22 20 
47-0 
18-87t 
[ 22 30 
18-66 
Height 
above 
sea- 
level. 
feet. 
2,440 
3,470 
3,450 
4,110 
5,880 
6,020 
6,580 
6,800 
6,910 
7,140 
7.350 
7,380 
7,550 
7,480 
7,970 
8,100 
8,340 
8.350 
8,460 
8,590 
8,710 
8,700 
8,690 
8,810 
9,130 
9,120 
9,310 
9,430 
9,560 
9,730 
Dry and Wet Thermometers, dspirated. 
Dry. 
Wet. 
Diff. 
Tension of 
vapour. 
Relative 
humidity. 
Dew- 
point. 
0 
0 
0 
in. 
0 
i 
! 
1 
i 
U ^ 
© bo 
0 a 
Dry and Wet Thermometers, /ree. 
TO 0 
S-S 
Dry. 
Wet. 
Diff. 
0 , 
C S 
.9 0 
s i- 
<U 1st, 
•Sts 
Dew- 
point. 
H £ 
62-8 
63-0 
60-4 
2-6 
in. 
•503 
87 
58-8 
59-2 
59-4 
57-1 
2-3 
-451 
88 
55-6 
58-1 
58-2 
55-3 
2-9 
-418 
85 
53-3 
57-8 
57-8 
43-4 
14-4 
-164 
34 
26-6 
54-1 
54-1 
40-5 
13-6 
-147 
34 
23-5 
54-1 
54-1 
40-8 
13-3 
-153 
36 
24-7 
53-7 
53-7 
40-1 
13-6 
-144 
34 
23-0 
53-1 
53-1 
39-8 
13-3 
-145 
35 
23-2 
52-3 
52-3 
39-3 
13-0 
-144 
36 
23-0 
51-4 
51-3 
38-4 
12-9 
-138 
35 
21-8 
50-5 
50-4 
37-7 
12-7 
-133 
35 
20-8 
49-8 
49-7 
37-4 
12-3 
-136 
37 
21-4 
49-8 
49-7 
38-3 
11-4 
•152 
41 
24-5 
50-5 
50-4 
39-2 
11-2 
•162 
43 
26-2 
50-2 
50-1 
39-6 
10-5 
•172 
46 
27-9 
49-8 
49-7 
39-1 
10-6 
•167 
45 
27-1 
49-3 
49-2 
38-3 
10-9 
•158 
44 
25-5 
48-0 
47-9 
37-3 
10-6 
•152 
44 
24-5 
47-3 
47-2 
39-4 
7-8 
•194 
57 
31-3 
47-5 
47-3 
40-5 
6-8 
•212 
63 
33-8 
47-0 
46-8 
37-1 
9-7 
-159 
48 
25-7 
45-9 
45-7 
36-7 
9-0 
-161 
50 
26-1 
44-9 
44-7 
34-5 
10-2 
•135 
43 
21-2 
44-0 
43-8 
33-2 
10-6 
•122 
40 
18-4 
43-3 
43-1 
32-5 
10-6 
•117 
40 
17-3 
42-8 
42-6 
32-3 
10-3 
•119 
41 
17-8 
43-1 
42-8 
32-5 
10-3 
•121 
42 
18-2 
41-8 
41-5 
31-7 
9-8 
•127 
46 
19-5 
40-4 
40-1 
31-2 
8-9 
•132 
50 
20-6 
40-0 
39-7 
30-3 
9-4 
•122 
47 
18-4 
39-4 
39-1 
31-9 
7-2 
•149 
58 
23-9 
37-8 
32-0 
5-8 
•160 
65 
25-9 
37-3 
37-0 
31-7 
5-3 
•162 
68 
26-2 
37-0 
36-7 
31-5 
5-2 
•161 
68 
26-1 
36-5 
36-2 
31-2 
5-0 
•160 
69 
25-9 
36-1 
35-7 
30-8 
4-9 
•158 
69 
25-5 
35-7 
35-3 
30-8 
4-5 
•161 
70 
26-1 
36-5 
36-1 
32-9 
3-2 
•182 
79 
29-5 
34-8 
34-4 
31-4 
3-0 
•175 
81 
28-4 
34-1 
33-7 
29-9 
3-8 
•160 
76 
25-9 
34-5 
34-1 
30-1 
4-0 
•160 
75 
25-9 
33-7 
33-3 
31-5 
1-8 
•184 
88 
29-8 
33-9 
33-4 
31-4 
2-0 
00 
to 
00 
29-5 
Regkaui.t’s 
Hygrometer. 
Dew- 
point. 
Tension of 
vapour. 
