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Maxwell's Curves to Three-colour Worke, &c.
47
The absorptions of the above inks are
Yellow.
Violet 135-6
Green 10'6
Red 5 1
Pink.
Violet 12-8
Green 105-2
Red 55 9
Blue.
Violet
Green
Red
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0-2 33-0
87-3 mm
90 SO 70 60 60 40 30
10
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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
