Mees, C. E. Kenneth (Charles Edward Kenneth), 1882-1960, Newton, A. J · Croydon, Wratten & Wainwright · leaf 19
ct is not one which reflects yellow light (there is very little yellow light indeed in the spectrum, and if an object reflected only yellow light it would be so dark as to be almost black), but a yellow colour is due to blue absorption. It reflects the other two com- ponents of white light, green… … Fig. 3 so that if you have a beam of yellow light and add blue light to it, you will get white light. Now what is green ? Well, since white light consists of red light, green light, and blue light, green is clearly white light minus red and minus blue ; and a green body is one which absorbs both…
Photography · Color photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
