ON FIVE BALLOON ASCENTS IN 1863, 469 
Balloon Ascent, from the Crystal Palace, July 21, 1863. 
mometers (free). Neeretti Dry and Wet Thermometers (aspirated). Hygrometers. 
an 
Zambra’s i 
“a: Daniell’s. | Regnault’s. 
Diff. |Dew-point. Esc Dry. Wet. Diff. |Dew-point. 
meter. Dew-point. | Dew-point. 
° °o ° ° ° ° °o ° ° 
o'7 52°8 54°2 
o'7 52°38 
O'7 52°8 
eo 53°3 
o°8 53°4 55°0 
14 52°7 
15 52°5 
<aee Ne laumewey | cssiacws | canese seeeee eeeeee eeeeee ecco 53°70 
o9 54°3 
rr 54°1 562 
o"4 55°4 
o2 55°38 
o'7 55°8 
rae ||! iedg one 57°8 
oo 57°2 
eg 57°5 F 
oro 57°5 5775 | gee ees Aro | parecer PRN wre aaeete 58°90, 
o"o 56°2 
oo 555 
oo 54°8 
g’o 54°2 54°2 
eres |) sb 8 | eet “A> gacveae-|) -pecuee peneee ages 54°5 
o"2 53°8 54°3 
05 | 53:0 
1"0 5370 
05 | 52°5 
08 514 
1'2 50°8 
o'7 EOM A caters || SceepeN GP secceprnal| ~ gavsna eevee oveeee 515 
14 5°°7 
oreeee 
16, 
12. 15. 
10, 13. 14, 
11. 
(11) In fog, (12) In cloud. 
(13) Clouds on same level as ourselves ; some below; darker above ; gas thick and opaque 
railway whistle heard. (14) Large masses of cumulus cloud below; light below, 
(15) Light below; dark above. (16) In fog. 
(17) Fine rain falling ; grapnel visible plainly ; misty all round. 
(18) In wetting fog. 
(19) Very fine rain falling; clouds blackish below; earth visible; water dropping from 
the balloon; scud below. 
. 
