’ ON EIGHT BALLOON ASCENTs IN 1862. 409 
Balloon Ascents. Hendon, August 21, 1862. 
mometers (free). Negretti Dry and Wet Thermometers (aspirated). Hygrometers, 
and (ee 
Zambra’s : 
aes Daniell’s, |Regnault’s. 
Diff. | Dew-point. bale Dry. Wet. Diff. |Dew-point. 
meter. Dew-point. | Dew-point. 
13 58-4 ° ° ° ° ° ° ° 
m5) | 572 
"9 57°72 
o2 58°9 
o'o 59°0 
17 | 5570 
370 52-2) 
oa) | 5x2 
34 | 506 
370 51'0 
2°0 512 
2°0 Sil 
24 | 47°4 
26 | 444 
28 410 
27 40°7 
I'o 41°5 
I‘0 410 
08 40°2 
oz 39°8 
Pm | 397 
I'o 360 
37 32°3 
43 318 
35 32°5 
4°0 30°9 
52 29°2 
50 | 25°5 
52 24°7 
45 | 23°3 
54 212 
5°6 20°2 
4:8 18:6 
6°8 12°4 
59 IO'r 
4°5 14°3 
8. 9. 10. 11. 12. 13. 14, 15. 16. 
(12) In cloud, surrounded by white mist. (13) Sensibly lighter; a light wind. 
(14) Valley of cloud; in a basin; on reaching its limit saw the sun rising. 
(15) Like a lake under the sun; immense ocean of cloud ; magnificent view. 
ti Under the sun a lake; mountains of cloud to the left ; fine cloudscape. 
(17) Lost sight of sun; earth visible underneath; misty. 
(18) Deep ravines and shaded parts in clouds; sun again rising in the same magnificent 
way ; silver and golden tints. 
(19) Lake and mountain scenery ; clouds near us sweeping boldly away. 
3) Moon seen. (21) Cold to the sense; gas clear. 
(22) Applied water to Wet Bulb. 
(23) Mr. Glaisher’s pulse 88. 
1862, 2k 
