280 Bigelow — Determination of the li /Solar Constant." 



z 











meters 

 90000 



J* 



!A 



r 



I= 



B 











Vlo 









B 





80000 















70000 















60000 















S0OOO 















-foooo 















50000 















20000 















-toooo 



h 



\ 



A 



V 





Srca/./ z . 

 / Cm . TTt/rt. 



S.OO 



2. 0O 



3.00 *Aoo 



Gram calories per centimeter square per minute. 



