W. H. JULIUS. A new method for determining the rate of decrease of the radiating power 

 from the center toward the limb of the solar disk. 



Middle part of the radiation curve obtained during the solar eclipse 

 of August 39. 1905. 



1200000 



Radiating power across the solar disk. 



l11ll^utTi!MH!1Htflf1l-1^tHHt+^4^,.il.^4i^^fl^- ^l4444■4w44^4^44l^^ 

 1,0 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2 0,1 0,0 

 Edge. Center, 



Proceedings Royal Acad. Amsterdam. Vol. Vlll. 



