ON NINE BALLOON ASCENTS IN 1863 AND 1864. 233 



Balloon Ascent, from the Royal Arsenal, "Woolwicli, January 12, 1864. 



mometers (free). 



Diff, 



5*3 

 4-S 

 3-1 

 3-8 

 27 



1*7 

 I'l 

 10 



4-2 

 47 

 4-5 



2-2 

 2 I 



3"3 

 3-0 



3-4 

 4"o 

 4-0 



4" 

 41 



37 

 3-5 



2-8' 



3*5 

 29 



8. 



Dew-point, 



29-5 

 27-4 

 285 

 26-5 



27-3 

 28-8 

 29-3 

 30-I 



9-8 



7-5 

 6-7 



193 



20'6 



I7'6 

 i8-8 



I7'2 



IO-6 

 9-0 

 4-2 

 4-2 

 6-5 

 7-4 



10"2 



47 

 7-2 



Gridiron 



Tliermo- 



meter. 



4i'S 



32-0 

 31-0 



30-0 

 29'3 



307 



31-0 

 3i"o 



26*0 



10. 



Dry and Wet Therms, (aspirated). 



Dry. 



27-2 



^rs 



Wet. 



22'2 



22-8 



Diff. 



5-0 



27 



Dew- 

 point. 



-0-8 



8-5 



Hygrometers. 



Daniell'a. 

 Dew-point. 



15 no dew 



Regnault's. 

 Dew-point. 



11. 



12. 



13. 



14. 



15. 



27-5 

 26-1 

 29-5 



26'2 



lis 

 irS 



95 

 9-0 



4-5 

 6-0 



50 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer 



16. 



41-5 



32*0 

 327 



29-8 

 30"o 

 29-3 



307 



3i'o 



29-0 



29*2 

 30-5 



305 



28-0 



27-5 



27'2 



26-5 

 26*0 



17. 



(10) Can hear people's voices. H n Wt^ ovo ™,.„ 



(12) Can see BLf ater ; estinaated distance from coa^^e^' m -1^"^ "^'™- 



(Icf) troing N. still ; determined to go higher. (14) Ozone = i 



^, Q< 7?^"^^^ cm-rent. ( 1 (j) In another current. (17) Going N N E • wind S «? W 



(18) Could not get Daniell lower than 1 5°. nm Qzonl 1 1 ' 



(-0) Iodine paper slightly coloured in 5 minutes. 



