-;-':.- : . : " . " ■ ' --".:: - - - 



Tju win, i 



irr.Tfi :.: :z 



:; zzf 



_ ■ z : : : : zz . : : " 

 -5E1TT -I- I :"_ 



-". 



: iz 



ate expansne 



zzz 



. . . : :zz« :: : --..- —- •- -.-.- : . _■ ;. : ire. 

 - Iz siizt zi^i — zl i;z :ir szzii i .: : - ■.. - 



rates as in space destitute of air; and precisely the same relation 



t . .. - . vz ' . . :: z. -. . ::t: 



e void of 

 •, bat tctt slowly in space filled with air in a state of qnies- 



zz : - • 

 of the air. a en 



Iz "._.- ~ ~ 





