OBSERVATIONS IN FOUR BALLOON ASCENTS. 
327 
Table I. (Continued.) 
reenwich 
;an Time. 
Bar 
ometer. 
Height 
above 
sea- 
level. 
Dry and Wet Thermometers, aspirated . 
Temperature cor- 
rected for change. 
Dry and Wet Thermometers, ^ee. 
Regnault’s 
Hygrometer. 
Therm. 
Reading 
corrected. 
Dry. 
Wet. 
DiflF. 
Tension of 
vapour. 
Relative 
humidity. 
Dew- 
point. 
Dry. 
Wet. 
DifF. 
Tension of 
vapour. 
Relative 
humidity. 
Dew- 
point. 
Dew- 
point. 
T ension of 
vapour. 
h m 
S 
O 
in. 
feet 
O 
0 
in. 
in. 
in. 
^5 38 
30 
33-6 
23-8 
9-8 
•082 
39 
7-7 
35-6 
° 
39 
0 
19-55 
11,730 
32-5 
22-8 
9-7 
•077 
38 
6-1 
34-5 
39 
30 
32-9 
22-8 
10-1 
•075 
36 
5-4 
34-9 
40 
0 
54*7 
19-52 
11,790 
34-0 
23-3 
10-7 
•074 
35 
5-0 
36-0 
6-0 
•077 
40 
30 
19-50 r 
11,840 
35-8 
25-6 
10-2 
•090 
40 
10-2 
37-8 
41 
0 
19-50 
11,830 
34-7 
23-6 
11-1 
•073 
33 
4-7 
36-8 
41 
30 
33-9 
23-2 
10-7 
•074 
35 
5-0 
36-0 
42 
0 
19-32 
12,050 
32-5 
22-3 
10-2 
•073 
36 
4-7 
34-6 
37-5 
28-9 
8-6 
•121 
50 
18-2 
42 
30 
51*5 
19-27t 
12,150 
34-9 
24-7 
10-2 
•085 
38 
8-7 
37-0 
43 
0 
19-20 
12,220 
32-7 
22-3 
10-4 
•072 
35 
4-3 
34-8 
36-8 
28-1 
8-7 
•116 
49 
17-1 
43 
30 
31-9 
21-9 
10-0 
•073 
37 
4-7 
34-1 
0- — 
44 
0 
52'5 
19-15 
12,280 
31-9 
22-1 
9-8 
•075 
38 
5-4 
34-1 
— 3 - — 
44 
30 
31-2 
21-2 
10-0 
•069 
36 
3-2 
33-4 
33-3 
— 5-0 
•050 
45 
0 
52-5 
19-10 
12,330 
46 
0 
52-5 
19-07 
12,360 
29-0 
21-3 
7.7 
•085 
47 
8-7 
31-3 
46 
30 
29-2 
21-1 
8-1 
•081 
45 
7.4 
31*5 
47 
0 
19-05 , 
12,390 
29-0 
21-1 
7-9 
•083 
46 
8-1 
31-3 
47 
30 
30-9 
23-2 
7-7 
•091 
47 
10-5 
33-2 
+ 4-0 
•071 
48 
0 
53-6 
19-05 
12,420 
31-5 
23-4 
8-1 
•093 
47 
11-1 
33-8 
48 
30 
32-5 
24-2 
8-3 
•096 
47 
12*0 
34-8 
49 
0 
19-04 
12,470 
34-7 
26-2 
8-5 
•106 
48 
14-6 
37-1 
49 
30 
34-1 
26-1 
8-0 
•109 
51 
15*4 
36-5 
50 
0 
19-00 
12,480 
30-6 
23-9 
6-7 
•105 
55 
14-4 
33-0 
50 
30 
30-9 
24-7 
6-2 
•113 
59 
16-4 
33-3 
0-0 
•061 
51 
0 
54*5 
18-90 
12,610 
29-9 
32-3 
32-7 
25-2 
7-5 
•107 
53 
14-9 
51 
30 
29-6 
21*9 
7-7 
•088 
48 
9-6 
32*1 
52 
0 
18-80 
12,740 
28-9 
21-3 
7*6 
•086 
48 
9-0 
31-4 
52 
30 
27-6 
20-5 
7-1 
-086 
Q*0 
53 
0 
54*6 
18-71 
12,840 
27-0 
20-3 
6-7 
•087 
52 
9-3 
29-5 
53 
30 
27-2 
20-4 
6-8 
•087 
52 
9-3 
29-7 
—4-0 
•052 
54 
0 
54-8 
18-70 
12,890 
29-5 
22-5 
7-0 
•096 
53 
12-0 
32-1 
55 
0 
28-7 
21-8 
6-9 
•0Q.3 
1 !•! 
56 
0 
18-68 
12,930 
30-0 
23-2 
6-8 
•101 
54 
13-3 
32-6 
56 
30 
18-87t 
12,690 
57 
0 
55-4 
18-78 
12,860 
35-4 
27-1 
8-3 
•114 
51 
16-6 
38-1 
57 
30 
35-1 
27-1 
8-0 
•J 15 
1 R.« 
58 
0 
56'5 
18-94 
12,610 
34-2 
25-9 
8-3 
•106 
49 
14-6 
36-9 
58 
30 
34-9 
26-4 
8-5 
•1 (17 
4Q 
14*Q 
^7.R 
59 
0 
19-20 
12,260 
35-8 
27-3 
8-5 
•113 
50 
16-4 
38-6 
59 
30 
36-4 
26-0 
10-4 
•091 
10-5 
6 0 
0 
19-48 
11,860 
35-7 
25-2 
10-5 
•086 
38 
9-0 
1 
0 
57-0 
19-59 
11,700 
35-0 
24-7 
10-3 
•084 
38 
8-4 
37-8 
2 
0 
58-2 
19-59 
11,690 
34-6 
24-9 
9-7 
•089 
41 
9-9 
37-5 
2 
30 
24*2 
8‘3 
47 
1 1 .7 
3 
0 
19-45 
11,870 
33-1 
25-2 
7-9 
•103 
50 
13-9 
36-0 
4 
0 
51-0 
19-25 
12,140 
32-7 
25-2 
7-5 
•106 
50 
14-6 
35-7 
4 
0 
19-23t 
12,170 
5 
0 
19-I7t 
12,220 
29-5 
23-2 
6-3 
•103 
57 
13-9 
32-5 
6 
0 
19-17ti 
12,210 
29-0 
22-8 
6-2 
•102 
57 
13-6 
32-0 
7 
30 
19-281 
12,110 
33-5 
26-8 
6-7 
•122 
58 
18-5 
36-6 
9 
0 
27-0 
6-9 
•121 
57 
18-2 
37-0 
35-8 
24-7 
11-1 
•079 
35 
6-8 
11 
0, 
Of;. 7 
10-6 
•088 
38 
9-6 
12 
01 
19-60 
11,650 
13 
0 
49-1 
19-40 
11,920 
32-1 
23-7 
8-4 
•091 
45 
10-5 
35-4 
13 
30 
33-6 
25-0 
8-6 
•098 
46 
12-5 
37-0 
34-7 
24-5 
10-2 
•084 
38 
8-4 
14 
0 
19-26 
12,130 
32-4 
24-4 
8-0 
•099 
49 
12-8 
35-8 
+ 5 — 
15 
0 
47*8 
19-16 
12,270 
32-9 
25-2 
7-7 
•105 
51 
14-4 
36-3 
+ 2-5 
•067 
15 
50 
31-2 
24-2 
7-0 
•105 
54 
14-4 
34-7 
+ 1'0 
•064 
16 
0 
19-01 
12,460 
2 X 
MDCCCLIII 
