108 



DR L. BECKER ON THE SOLAR SPECTRUM. 



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Clouds interfere. 

 Almost whole sky clouded. 

 Clouds interrupted once. 

 Showery. 



Clouds near horizon. 

 Almost whole sky overcast. 

 Clear for a few minutes. 

 Clear for a few minutes. 

 Interrupted by clouds. 

 Fog in the valley j stopped by clouds ; 

 a=9. 



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strong. 

 Stopped by clouds; 16 h 36 m a = 6. 

 Clouds near horizon. 

 Interrupted and stopped by clouds. 

 Clouds constantly interfering. 



Interrupted and stopped by clouds ; 

 7 h 55 m a = 4. 



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