492 REPORT—1862. 
At 4" 45" 308 p.m., at 2379 feet. Gas getting thick again. 
At 5" 31™ p.m., at 5380 feet. Gas partially clear. 
August 18, 
Before starting the gas was cloudy and opaque. - 
At 1" 18™ 55% p.m., at 9978 feet. Balloon full, gas cloudy. 
At 1" 21™ p.m., at 11,470 feet. Valve opened. 
At 1" 25™ p.m., at 9740 feet. Valve opened. 
At 1" 32™ p.m., at 7650 feet. Valve opened. 
At 2" 22™ p.m., at 12,364 feet. Balloon full, gas clear, 
At 2" 25™ 20%4p.m., at 14,434 feet. Gas getting opaque. 
August 20. 
Before starting the gas was thick and opaque. 
At 6" 39" p.m., at 3359 feet. Gas still opaque. 
At 6" 41™ 305 p.m., at 3986 feet. Gas very opaque, issuing from the neck 
as smoke. 
At 7" 4" p.m., at 4052 feet. Gas opaque, issuing from the neck as smoke. 
At 7 18™ p.m., at 1417 feet. Gas clear; can see netting plainly through 
the balloon. 
At 7" 22™ p.m., at 1587 feet. Gas issuing from the neck of the balloon ; 
still clear. 
At 7" 25™ p.m., at 2067 feet. Gas clear. 
At 7" 37™ p.m., at 2603 feet. Gas opaque. 
At 7" 52™ p.m., at 5200 feet. Gas opaque. 
August 21. 
Before starting the gas was thick and opaque. 
At 5" 35™ a.m., at 14,027 feet. Gas clear; netting plainly visible through 
the balloon, 
September 1. 
Before starting the gas was thick and opaque. 
At 4" 55™ p.m., at 2214 feet. Gas still opaque. 
At 5" 1™ 30° p.m., at 3170 feet. Gas very opaque. 
At 5° 15™ p.m., at 3680 feet. Gas very opaque, issuing from the neck 
very fast, like smoke. 
At 5" 26™ p.m., at 3837 feet. Gas very opaque. 
At 5" 30™ p.m., at 4000 feet. Gas opaque, issuing from the neck like smoke. 
September 5. 
Before einai the gas was very opaque. During this ascent no observa- 
tions of the state of the gas were made. 
September 8. 
Before starting the gas was opaque. 
At 4" 49™ p.m., at 1232 feet. Gas was clear. 
At 4" 51™ p.m., at 2482 feet. Gas getting opaque ; netting scarcely visible 
through the balloon. 
At 4% 52™ 308 p.m., at 2923 feet. Gas opaque. 
At 5" 15™ 35% p.m., at 5026 feet. Gas partially clear. 
At 5¢ 23™ 50% p.m., at 5029 feet. Gas opaque, issuing from the neck of 
the balloon. 
At 5" 28™ p.m., at 4829 feet. Gas very clear. 
At 5° 52™ 14° p.m., at 600 feet. Gas clear, 
