ON NINE BALLOON ASCENTS IN 1863 AND 1864. 

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



245 



mometers (free). 



Diflf. 



3'9 



1-8 



1 7 

 a'l 



2-3 

 3'4 



27 

 27 



2-4 

 2-4 

 2-4 



27 

 27 



2-8 

 2-8 

 2-8 



27 



3-8 



4-0 



31 

 2-9 

 27 



2*9 



2-9 



2*0 

 2-4 



2-8 



2'1 

 2-1 



2"3 

 2- 1 



25 



2'0 

 2'0 

 2'0 



2-5 

 2-5 

 2-5 



29 



2-9 



8. 



(12) 

 (14) 

 (15) 

 (16) 

 (18) 

 (19) 

 (21) 

 (22) 

 (23) 

 (24) 



Dew-point, 



35'6 

 39-1 

 38-8 

 38-4 



37'i 



37-0 



34;3 

 35"i 

 35-1 



347 

 347 

 347 

 347 

 347 

 347 

 347 

 347 

 35-1 

 33"5 

 33'i 

 35'o 

 35-4 

 359 

 35-4 

 35-4 

 37'o 

 36-9 



36-6 



357 



37-1 



37"i 

 36-9 



37'4 

 37"o 

 38-0 

 38-0 

 38-6 

 38-0 



3S-5 

 390 

 38-6 

 38-6 



Gridiron 

 Thermo- 

 meter. 



Dry and Wet Therms, (aspirated). 



Hygrometers. 



Dry. 



Wet. 



Diff. 



Dew- 

 point. 



Daniell's. 

 Dew-point. 



Regnauli's. 

 Dew-point. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



41-5 



4i"5 



44-0 



10. 



11. 



12. 



13. 



14. 



15. 



IG. 



17. 



(13) Near viUage of Hadlow. 



The sun at edge of cloud. 



Nearly over the Medway. 



Thirty vibrations of horizontal magnet in 49 seconds. 



We are changing our direction. (17) Heard a gain. 



Can see main line of the Soutli-Eastern Eailway ; a train coming towards us 



Can see people. (20) Belt across the sun apparently on our level. 



Can see two horses, and a man leading them. 



Tiiirty vibrations of horizontal magnet in 487 seconds. 



Heard a gun ; can see three trains. 



Can just see the edge of the sun. 



