ON NINE BALLOON ASCENTS IN 1863 AND 1864. 



Balloon Ascent, from "Wolverhampton, September 29, 1863. 



211 



mometers (free). 



Diff. 



0-5 

 0'2 



0-6 



0-5 



04 



i-o 



0-5 



VI 



Dew-point. 



io"4 



13-3 

 13-3 



9-8 

 io"6 



101 



93 

 35 



Gridiron 

 Thermo- 

 meter. 



I3'o 



5-0 



Dry and Wet Therms, (aspirated). 



Dry. 



Wet. 



Diff. 



Dew- 

 point. 



Hygrometers. 



Daniell's 

 Dew-point. 



14-0 

 ii-S 



12-0 

 13-0 



II-5 



• 4-0 

 ■ yo 



■lO'O 



-lO'O 

 ■lO'O 



1*2 



5"° 

 4*5 

 4-0 



4-5 

 3-0 



Regnault's. 

 Dew-point. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



15-0 



l6-5 

 i9"o 



13-1 



I2'2 



6-0 



4-6 

 3-0 



lO'O 



8-5 



8. 



9. 



10. 



11. 



12. 



13. 



14. 



15. 



16. 



17. 



(15) Blue sky; actinometer increased 5 divisions in one minute. 



(16) Sun spectrum H clear, dark beyond. (17) Sim spectrum A clear. 



(18) Many lines in sun spectrum. 



(19) Lines clear aud numerous in the sun spectrum, extending from A to beyond H. 



(20) Filled bag with air. 



(21) Opened ralve, gas expanding rapidly; filled bags with air; saw outUne of coast 

 through a break in the clouds from N. of Yarmouth and to the West. 



(22) Opened valve. 



(23) Sun shining brightly ; increase of 7 divisions in the actinometer scale in one minute. 



(24) The sun spectrum extended from A to far beyond H, and was veary beautiful. 



(25) Packed up Eegnault's Hygrometer ; opened valve ; gas expanding rapidly. 



(26) Line H in the spectrum clear and vivid ; beautiful ring on black bulb of Hygrometer ; 

 packed up Dry and Wet aspirated. 



(27) The sun spectrum very vivid aud very long, H made up of fine lines ; moving directly 

 towards the Wash. 



p2 



