Colour Measurement and Mixture
CHAPTER VII.
Luminosity of the Spectrum to Normal-eyed and Colour-blind Persons--Method of determining the Luminosity of Pigments--Addition of one Luminosity to another p. 76
Colour Measurement and Mixture
Luminosity of the Spectrum to Normal-eyed and Colour-blind Persons--Method of determining the Luminosity of Pigments--Addition of one Luminosity to another p. 76