ON NINE BALLOON ASCENTS IN 1863 AND 1864. 



Balloon Ascent, from the Crystal Palace, August 29, 1864. 



253 



momcters (free). 



Diff. 



4-2 



45 

 J-o 



2-1 



2'2 



33 



4-2 

 59 



7-5 

 6-4 



yo 

 6-9 



8-5 

 8-0 



8-3 

 S'« 

 S'i 



6o 



57 

 6-7 

 6-9 

 9-2 



97 



9-2 



lo-s 



lo-y 



7'4 

 4-2 



33 

 31 



4-4 

 4-0 



51 

 87 



9-0 

 II-8 



8. 



Dew-point 



25-3 

 23-5 

 22-8 



27-0 

 27-0 



251 



25-5 



24-0 



18-9 



22'5 

 3-0 



- i"4 



- 1-6 



- 3-4 



+ '-4 



- 0-4 



- 3'2 

 -j- 0-4 



20-0 



19-9 



212 



22'0 

 311 



317 



20'5 



197 



20'2 

 19-2 

 20'9 



29-6 



381 



43-0 



44-9 

 43-6 



45 -o 

 441 

 41-6 



47-5 

 47'9 



Gridiron 

 Thermo- 

 meter. 



Dry and Wet Therms, (aspirated). 



Dry. 



Wet. 



Di/r. 



Dew- 

 point. 



Hygrometers. 



Daniell's. 

 Dew-point. 



Regnault's. 

 Dew-point. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



3-0 



3'o 



190 



42-0 

 35-5 



37-0 



10. 



11. 



12. 



13. 



42-0 

 43-0 



51-0 



14. 



1.5. 



16. 



J!l^h\ftS'nn!^tf''''%\''' """i' 99 ; Mr. Coxwell's 102 ; Messrs. Norris and Cran- 

 Mr Noti 10 Mr r « '■ « ' "Tt" °^ '«!P»-^tions in one minute were as follows :- 

 ivir iNoius, 10, Mr. Glaisher, 18 ; and Messrs. Coxwell and Cranston each 22 



9 OnTl i '^^'f.'t ?^T ^^^^^•'^- (8) Sand out. 



(y) On the ground at Wybndge, near Eainham, in Essex. 



