ON NINE BALLOON ASCENTS IN 1863 AND 1864. 



Balloon Ascent, from ITewcastle, August 31, 1863. 



203 



mometers (free). 



Difif. 



5-5 



S'S 

 SS 

 S-5 

 S-o 



4-0 



35 



4' I 

 4-5 



43 

 4' 

 4-0 



43 

 40 



31 

 3-5 

 35 

 37 



29 



^•3 

 2-4 



27 



3'° 

 1-6 



'•3 

 1-6 



°"3 



17 



IT 

 IT 



0'2 



8. 



Dew-point. 



Gridiron 

 Thermo- 

 meter. 



i8-8 



1 8-8 

 i8-8 

 188 



22-0 

 26'0 

 25-3 



27'3 

 27-4 



28-4 

 28-6 

 28-8 

 284 

 290 

 3i'o 



30'3 

 30-3 



298 



32*2 



34" 3 

 34-0 

 34-8 



337 

 38-5 



39-2 

 40-9 

 42-4 

 40'3 



417 

 42-8 

 44-8 



38-0 



392 



4r6 



45-4 



Dry and Wet Therms, (aspirated). 



Dry. 



Wet. 



Diff. 



Dew- 

 point. 



Hygrometers. 



Daniell's. 

 Dew-point. 



19-5 



280 



3J'S 



35-0 



43-0 



Regnault's. 

 Dew-point. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



37'o 



390 



390 

 38-2 



39-0 



42'0 



42-5 



9. 



10. 



11. 



12. 



13. 



14. 



15. 



16. 



17. 



(7) Edge of cumulus and brownish cloud tinged by the sun. The tops of the peaks of 

 the rocky clouds on nearly the same level as oiu-selves; saw struggling bits of cloud between 

 the upper and lower stratum. 



(8) Peaks after peaks of cloud (apparently) rising up on every side so much as to greallv 

 confine the new; car hanging rather on one side ; cloud with a little red in it, not oijposite 

 to the Sim. (9) Gas clearing ; valve faintly seen. 



(10) In basm of clouds; higher on three sides than on the foLu-th. 



(11) Gas clearer; netting visible. (12) Getting into cloud. 



(13) Clouds appear to be rising. (14) In basin of cloud; misty. 



(15) In cloud ; gas clearer still, but not quite clear. 



(16) In white mist or cloud; blue above; can see earth clearly, with the river; over a 

 railway ; can see two trains. 



(17) Over heaps of smoking lime; can see Lambdon Castle with its wgods; scaffolding 

 poles visible surrounding it. 



(18) Heavy leaden sky above; layers of detached clouds below, 



