OBSERVATIONS IN FOUR BALLOON ASCENTS. 331 
Table I, (Continued.) 
Barometer. 
' Height 
Dry and Wet Thermometers, aspirated. 
si ^ 
© bJO 
^ § 
Dry and Wet Thermometers, 
Regnaui.t’s 
Hygrometer. 
reenwich 
above 
Relative 
humidity. 
s « 
ean Time. 
S 
o 
H 
Reading 
corrected 
sea- 
level. 
Dry. 
Wet. 
Diif. 
Tension o: 
vapour. 
Dew- 
point. 
"S © 
IS 
a .2 
© © 
Dry. 
Wet. 
DifF. 
Tension of 
vapour. 
Relative 
humidity. 
Dew- 
point. 
Dew- 
point. 
Tension of 
vapour. 
h m s 
o 
in. 
feet 
in. 
in. 
f2 33 10 
24*17 
5,880 
34*7 
33*4 
1*3 
•197 
90 
31*7 
34*7 
0 
O 
O 
O 
34 0 
44-3 
23*94 
6,140 
35*6 
31*4 
4*2 
*160 
71 
25*9 
35*6 
34 30 
23*76 
6,350 
35*8 
30*8 
5*0 
*150 
66 
24*1 
35*8 
36*3 
31*8 
4*5 
*161 
69 
26*1 
35 0 
23*63 
6,500 
35*8 
30*8 
5*0 
*150 
66 
24*1 
35*8 
35 30 
23*45 
6,700 
35*6 
31*4 
4*2 
*l6l 
71 
26*1 
35*6 
36 30 
43-0 
23*12 
7,070 
34*7 
31*2 
3*5 
*167 
76 
27*1 
34*7 
35*1 
31*4 
3*7 
*166 
75 
26*9 
37 30 
22*72 
7,530 
33*9 
31*6 
2*3 
*178 
84 
28*9 
33-9 
33*7 
31*3 
2*4 
*176 
83 
28*5 
38 0 
32*7 
32*7 
31*0 
1-7 
1*3 
•179 
*186 
88 
32*7 
32*7 
38 30 
22*29 
8,030 
31*4 
91 
30*1 
39 0 
21*97 
8,420 
32*5 
31*4 
1*1 
*187 
92 
30*2 
32*5 
32*2 
31*2 
1*0 
*186 
93 
30*1 
40 0 
40-5 
21*58 
8,890 
31-4 
29-7 
1-7 
*171 
88 
27-7 
31*4 
31*3 
29-7 
1*6 
*172 
89 
27-9 
41 0 
21*07 
9,510 
29-8 
27-2 
2*6 
•149 
81 
23*9 
29-8 
42 0 
20*71 
9,970 
29-5 
26*2 
3*3 
*138 
76 
21*8 
29-5 
28*8 
25*9 
2*9 
•139 
78 
22*0 
43 0 
20*17 
10,630 
26*9 
24*2 
2*7 
*132 
79 
20*6 
26*9 
27*2 
24*1 
3*1 
*129 
77 
20*0 
44 0 
19-65 
11,310 
24*9 
22*4 
2*5 
*124 
80 
18*9 
24*9 
16*0 
10*0 
*111 
*089 
45 30 
18*74 
12,500 
20*3 
(32) 
20*3 
20*6 
(32) 
46 30 
36-0 
18*30 
13,080 
17-4 
17-4 
16*3 
47 0 
17-90 
13,650 
13,860 
16*3 
16*8 
47 30 
17-75 
15*9 
12*4 
3*5 
*076 
68 
5*8 
15*9 
49 0 
16*66 
15,480 
13*4 
8*9 
4*5 
*060 
59 
- 0*5 
13*4 
49 40 
29-5 
16*44 
15,820 
12*8 
8*1 
4*7 
*057 
58 
- 1*8 
12*8 
50 30 
16*23 
16,150 
16,580 
12*7 
4 .Q 
51 0 
15*96 
11-9 
10*3 
1*6 
*081 
84 
+ 7-4 
11-9 
^ O 
UDU 
01 
— ()*5 
52 0 
52 30 
15*28 
17,620 
7-0 
5*6 
1*4 
*068 
85 
+ 2*8 
7-0 
9-1 
5*9 
3*2 
*060 
69 
- 0*5 
54 0 
14*72 
18,520 
3*8 
1*3 
2*5 
*052 
74 
— 4*2 
3-8 
55 0 
14*44 
18,990 
2*7 
0*6 
2*1 
*052 
77 
— 4*2 
2*7 
4*2 
0*4 
3*8 
*043 
60 
- 9-1 
-30(?) 
•019 
56 0 
14*24 
19,330 
1*5 
— 0*1 
1*6 
*053 
82 
- 3*7 
1*5 
57 0 
14*01 
19,730 
0*4 
— 0*5 
0*9 
*056 
90 
- 2*3 
0*4 
1*1 
- 0*8 
1-9 
*050 
78 
— 5*2 
58 0 
14*04 
19,690 
1-0 
+ 0*2 
0*8 
*058 
91 
— 1*4 
1*0 
59 0 
14*20 
19,400 
1*5 
0*0 
1 *5 
*054 
83 
— 3*2 
1-5 
2*6 
+ 1-1 
1*5 
*056 
83 
— 2*2 
3 1 0 
18-2 
14*78 
18,430 
4*4 
+• 0*9 
3*5 
*046 
64 
- 7-4 
4*4 
5*2 
2*5 
2*7 
*053 
71 
- 3*7 
2 0 
14*95 
18,110 
3*4 
— 0*2 
3*6 
*042 
60 
- 9-7 
3*4 
3 30 
14*94 
18,130 
3*4 
- 1*8 
5*2 
*031 
44 
-18*0 
3*4 
4*8 
— 0*2 
5*0 
*035 
48 
— 14*0 
5 0 
14*60 
18,700 
2*2 
— 2*1 
4*3 
*035 
53 
— 14*0 
2-2 
3*9 
- 0*9 
4*8 
*035 
49 
-14*0 
6 0 
14*40 
19,020 
0*5 
0*5 
3*0 
- 1*0 
7 0 
14-0 
14*08 
19,560 
- 1*3 
— 1-3 
•Uoy 
oj 
— 12*0 
8 30 
11-5 
13*60 
20,430 
- 2*3 
— 2*3 
— 22*0 
027 
9 0 
13*45 
20,650 
— 5*1 
— 5*1 
10 30 
13*02 
21,380 
— 9-3 
- 9-3 
- 9-6 
-10-5 
- 8-9 
12 0 
• » • • • 
12*65 
22,110 
- 9-6 
13 0 
12*51 
22,370 
— 10*5 
14 30 
12*40 
22,640 
- 8*9 
15 0 
12*24 
22,930 
16 0 
12*24 
22,930 
17 0 
- 6*5 
- 6*5 
- 5*3 
19 0 
12*94 
21,640 
II 
— 5*3 

