ON NINE BALLOON ASCENTS IN 1863 AND 1864. 



Balloon Ascent, from the Crystal Palace, June 27, 1864. 



247 



mometers (free). 



Diff. 



a-8 

 2-9 

 a-3 

 a-8 

 2-4 

 a-s 

 2-5 

 a-3 

 a-6 

 2-9 

 2-6 

 2-7 

 27 



2-0 



a-3 

 2-6 



2-0 

 2-2 



a-o 

 2"o 



2-9 

 2-1 



^5 



2*2 

 2*2 

 2-9 

 2-9 



3-0 



2-9 



3-3 

 33 

 3'o 

 33 

 3-5 

 3-5 

 33 

 3-3 

 3-6 



39 

 3-8 

 3-6 



3 '4 

 3'3 

 3'3 

 3-2 



Dew-point, 



38-9 

 38-9 



38-8 



387 

 386 

 38-0 

 38-0 

 38-3 



37-4 

 38-6 



37-4 

 37-3 

 37-6 

 39-2 

 38-4 

 38-1 



38-5 

 39-6 



39*4 

 39-4 

 40-9 

 407 

 397 



4i'S 

 40-6 



41-5 

 41-5 

 40-8 

 40-8 

 40-8 

 40-9 

 40-5 

 40-5 

 41-4 

 40-9 

 40-6 

 40-8 



4I"2 



40-8 

 40-2 



397 

 39-8 

 40*0 

 40-4 

 40*2 



4-C'2 



40-4 



39-8 



Gridiron 

 Thermo- 

 meter. 



Dry and Wet Therms, (aspirated). 



Dry. 



Wet. 



Di£f. 



Dew- 

 point. 



Hygrometers. 



Daniell's. 



Dew-point. 



Regnault's. 

 Dew-poiqt. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



9. 



10. 



11. 



12. 



13. 



14. 



15. 



16. 



17. 



(7) Thirty vibrations of horizontal magnet in 48'5 seconds. 



(8) Cranbrook very distinct. (9) Sounds very distinctly heard. 



(10) The country is very beautiful indeed. 



(11) A bell heard with a clear sound. (12) The shades of evening are coining over. 

 (13) Over Tenterden. (14) Heard a gun. 



