MaoxveWx Cin-vcsto Three-colour H'orfc, dr. 

 The absorptions of the above inks are 



47 



Yellow. 



Violet 135-6 



Green 10'6 



Red 5 1 



Pink. 



Violet 12-8 



Green 105-2 



Red 55 9 



Blue. 



Violet 



Green 



Red 



0-2 

 33-0 



87-3 



too 



90 

 60 

 70 

 60 

 SO 



V 



\ 



10 



4O 



44 46 46 SO 5 54 66 SO 60 6 ** 66 66 70 72 



No. 29. Curves showing the excess of white which the filters will give in the 

 finished print of the spectrum with the theoretical inks. LL, curve showing 

 luminosity of the spectrum. 



The results of the calculations are exhibited in the accompanying 

 diagram, curve No. 28, and the distribution of the excess white which 

 they involve is shown in the diagram, No. 29, together with Abney's 



