52 
Journal of the Asiatic Society of Bengal. [February, 1908. 

















































Plate it. 
. a 
F000 
ee 
6000 | 
Lar 
s000 
4000 
3000) rd ? it : - 
ra rue giving height of balloon 
Ps on Jar. as 1988. 
2000 | 1 
= 3 # s € 7 8 yo ” x B + 5 %6 We ‘9 
- 
North | | | | | | 
£000 ie ie Pare en 
Stet F fs 
ns 4, * balloon ange?» far. 1908 
pees 6 atirntervals of two minutes. 
aN, 
q Zz 16. 
to00 d = 4 Se 
ne 
2008 <I Ye pet al Laisa 
—— 
ee ee 
38000 pt 
#000 z -——+ 
S900 eae ss 



















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