Balloon Ascents. 
ON EIGHT BALLOON ASCENTs IN 1862. 
433 
mometers (free). 
Diff. | Dew-point. 
ae 
(6) Descending. 
Tilbury Fort. 
1862. 
Crystal Palace, September 8, 1862. 
Rees Dry and Wet Thermometers (aspirated). Hygrometers. 
an 
pet a Daniell’s. | Regnault’s, 
Thermo- Dry. Wet. Diff. |Dew-point. 
meter. Dew-point. | Dew-point. 
esese | seeeee | eeese | eoeoee 
(7) Packed the instruments up. 
(8) Down in Mucking Flats, about 23 miles from Stanford le Hope, and 4 miles from 
