Colour Measurement and Mixture
CHAPTER II.
A Standard of Light--Formation of the Spectrum by Prisms and by the Diffraction Grating--Wave-lengths of the principal Fraunhofer Line--Position of Colours in the Spectrum p. 17
Colour Measurement and Mixture
A Standard of Light--Formation of the Spectrum by Prisms and by the Diffraction Grating--Wave-lengths of the principal Fraunhofer Line--Position of Colours in the Spectrum p. 17