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SOLAR RADIATION Ml VSURES 



40 5 



Date. 0.40 

 Mar. 25, 1903, 47 

 Oct. 14, 1903, 64 



Table III 



1 I ransmission for Verii 



50 

 70 



0.50 



57 

 76 



0.60 

 66 



80 



O.7O O.OO 



72 76 



0.90 

 79 

 89 



81 

 9i 



2.0 



1.2 1 ' 



84 88 89 

 91 (92) (92) 



These curves given in figure 63 show what the actinometer should 

 have read according to the holographic observations. With air-mass 



Fig. 63.— Curves of Solar Radiation computed from Spectro-bolometric Measures. 

 Abscissa are air-masses. Ordinates are logarithms of radiation. 



