Colour : a text-book of modern chromatics with applications to art and industry (1904)
Rood, Ogden N. (Ogden Nicholas), 1831-1902 · London : Kegan Paul, Trench, Trübner · leaf 265
255 CONTRAST. white wall of the room. It is evident now that the whole of the cardboard will be illuminated with white light, ex- cept those portions occupied by the shadow 1. We then light the candle at C, Fig. 122 ; its light will also fall on … Fig. 122.— Shadows of Rod, using Daylight and Candle-light. the cardboard screen, and will then cast the shadow 2 ; that is, the candle-light will illuminate all parts of the screen except those occupied by the shadow 2 ; this portion will be illuminated with pure white light. Instead, however, of…
Color
Internet Archive · Wellcome Library · Public domain (published before 1931). Free to use for anything.
