re 
Balloon Ascent, from the Crystal Palace, July 21, 1863. 
ON FIVE BALLOON ASCENTS IN 1863. 467 
moreters (free). Mesmetti Dry and Wet Thermometers (aspirated). Hygrometers. 
- — an COCO | 
Zambra’s Daniell’s. | Regnault’s. 
Diff. |Dew-point. Gace: Dry. Wet. Diff. |Dew-point. 
meter. Dew-point. | Dew-point. 
¥ ° ° ° ° ° ° ° ° ° 
13 MOlO fl  ceatack || | soeeas eH far cece Pg WS (os A Peek 59°5 
o3 59°6 
o2 609 
o2 60'9 
O°5 59°5 
12 581 
| 
ae ese 60'0 | 
Fee 56'9 
I'l 56'1 
1°3 54°9 
ro 54°5 56°5 | ; 
oo 560 
oro 54°8 
j 
oro 54°0 
oe 53°5 53°5 
o'9 54/2 549° 
oo 54°0 | 
oo ae pegs |) \o<esk spasm, |) | eeslagpie anit hs aeeeae ttl Wir ees 54°5 
F | 
8. 9. 10. 11. 12. 13. 14, 15. 16. 
(15) Gas getting clearer. (16) Sand out. ; (17) Hammering heard. 
(18) Hum of London heard ; bell tolling. (19) Heard railway whistle. 
(20) Clouds above darker than those below ; can see the white edge of lower cloud. 
(21) Out of cloud. 
(or Earth visible through a break in the clouds. (23) Docks visible below. 
34) Docks and River Thames visible; over Greenwich ; ships visible. 
(25) Over West India Docks. 
* (7 In open space; lower clouds moying N.E., and much faster than we are. 
» 27 Wind S.W.; moving N.E. 
2H 2 
