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ON EIGHT BALLOON ASCENTS IN 1862. 405 
Balloon Ascents. Crystal Palace, August 20, 1862. 
mometers (free). eee Dry and Wet Thermometers (aspirated). Hygrometers. 
an $$$ 
Zara 4 Daniell’s. | Regnault’s. 
Diff. |Dew-point.| Thermo- Dry. Wet. Diff. |Dew-point. 
Dew-point. | Dew-point. 
° 
48°5 
48°0 
4% 
44°2 
1'7 
20 
33 
3°3 
373 
370 
27 
oats 
2°6 
10. ll. 12. 13. 14, 15 
(20) Kennington Oval in sight; getting over London. 
(21) Heard noise of people ; gas cloudy and issuing from neck like smoke. 
(22) Misty still; 7 6™ 15°, cold to sense; 7" 6™ 45°, earth invisible. 
(23) Over London; great noise; 7° 7™ 30°, listened and heard the hum of London plainly. 
__(24) Great hum of London ; exactly over Kennington Oval; saw lights; 7% 8™ 42°, St. 
Mark’s church under us. (25) Railway whistle heard. 
(26) Lamps lighted along the roads. (27) Bell tolling ; two clumps of light visible. 
(28) Milbank Penitentiary and Vauxhall Bridge in sight. 
_ (29) Shouting heard. (30) Lights on end of Vauxhall Bridge visible. 
=) Gas clear; see netting plainly. 
32) The upper and lower currents moving in different directions. 
(33) Two gasometers under us near Kennington. 
(34) Becalmed ; visible from the earth. 
