ON FIVE BALLOON ASCENTS IN 1863. 465 
Balloon Ascent, from the Crystal Palace, July 11, 1863. 
mometers (free). Nemeth Dry and Wet Thermometers (aspirated). Hygrometers. 
an 
Zambra’s | sp S , 
Gridiron Daniell’s. | Regnault’s, 
Diff. Dew-point.| ‘Thermo. | Dry. Wet. Diff. |Dew-point. r ; 
meter. Dew-point. | Dew-point. 
S:x 50° ° ° ° ° ° ° ° 
8°4 49°2 
8-0 49°2 
84 | 489 
88 48°3 
go 43°1 
87 48-4 
g0 47°8 
8-2 49°3 
8-2 49°3 
7°6 49°9 
74 504 
Ld 501 
72 51-0 64°3 
ie 50°8 
7°5 50°8 
fs 50°8 
78 50°6 
78 50°6 
76 51'0 
71 512 
84 50°2 
8-1 50°5 
80 50°6 
8:0 50°5 
87 49°0 
87 49°0 
8-4 49°2 
85 49°0 
83 | 494 «| (64's 
8°7 48°1 
$2 49°2 
$2 49°2 
72 51°0 
77 5o°r 
75 
71 
7t 
74 
73 
69 
69 
“9 
79 
10. 11. 12. 13. 
(4) Over Goodwood Park; wooded country. 
(5) Packed up instruments. (6) On the ground. 
1863. 2a 
