ON NINE BALLOON ASCENTS IN 1863 AND 1864. 



201 



Balloon Ascent, from Newcastle, August 31, 1863. 



raometers (free). 



Diff. Dew-point 



4-0 

 4-0 

 4-0 



2*0 



2"S 

 2-1 



2-3 



2-5 



2'0 



3-3 



27 

 3-2 



3"9 

 4" I 



47 

 4-5 

 47 

 4-8 



4-9 

 4-5 

 4'5 

 5-0 

 6-0 



5-5 

 5-5 

 53 



5*4 

 57 



5'5 

 5"5 

 S'5 

 5-5 

 5-5 



567 

 567 



567 

 52-1 



51-1 



50-6 

 500 

 48-5 



46-4 

 464 



437 



42-3 

 40-4 

 37-6 

 36-4 

 35"° 

 35-3 

 337 

 32"4 

 31-1 

 29*6 



26'I 

 22'5 

 19-4 

 19-3 

 180 

 19-4 



i9'o 

 17-1 



i8-8 

 18? 

 i8-8 

 i8-8 

 i8-8 



Gridiron 

 Thermo- 

 meter. 



64'0 

 64-0 

 63-8 



53*5 



Dry and Wet Therms, (aspirated), 



Dry. 



47-8 



40 'o 



34-0 



34-0 



Wet. 



Diff. 



Dew- 

 point. 



Hygrometers. 



I 



Darnell's. 



Dew-point. 



57-0 



48-0 

 45-0 



34-0 

 30'o 



25'0 



Regnault's, 

 Dew-point. 



Delicate 

 Blackened 

 Bulb Ther- 

 mometer. 



52-0 



19-5 

 20'0 



46-0 



42-5 



37'o 



8. 



General Ekmarks. 



10. 



11. 



12. 



13. 



14. 



15. 



16. 



17. 



(10) No ozone; cumulus in beautiful hills. Over Gateshead; balloon full; cirrocumulus 

 above us at angles of 45° and 75° ; cumulus far above, the same as on July 2l8t, 1862. 



(11) Cirrus above; balloon quite full; gas coming out; opened valve; Tyne visible 

 almost to its source ; clouds piled up in heaps around, above, and below us, peak upon peak • 

 a very dark cloud with a little blue in it. ' 



(12) Wind blowing in our faces; clouds piled up in heaps around us ; blue sky above us ■ 

 opened valve. ' 



(13) Undoing the grapnel ; cirrus, cirrocumulus, and a blackish-brown ■stratus above ; 

 clouds of all shapes and sizes ; masses of cumulus in distorted forms, 



(14) Let grapnel down ; can see Newcastle. 



