519 



TABLE VII 

 Calculation for clouds pointed upwards: k> 1. De Bilt, June— July, ^ = 37°42'.5. 



^. 



Sum 



0.933 

 0.900 

 0.860 

 0.814 

 0.761 

 0.701 

 0.639 

 0.567 

 0.492 

 0.406 

 0.307 

 0.189 



0.002 

 0.114 

 0.225 

 0.333 

 0.435 

 0.530 

 0.618 

 0.698 

 0.770 

 0.836 

 0.896 

 0.967 



93.50/0 

 101.4 

 108.5 

 114.7 

 119.6 

 123.1 

 125.7 

 126.5 

 126.2 

 124.2 

 120.3 

 115.6 



Aj= 1.305 



2— cos /3 

 cos 1^ 



M' 



R 



^ \-\-m^sin^^ 



Mr 



h = kln 



cos p 

 ^ \-\-m2x2 + kx 



m In 



42 



^ \-\-m2x2-{-mx 

 ^ l^m^x^—mx 





k2 _ 1 n2 



^2 — 1 



~y&2 



X= SlTli'- 



ƒ3 = 2 • - C05 ? 



k= 1.5 



