Martin, L. C. (Louis Claude), Gamble, William · London, Blackie · leaf 25
THE NATURE OF LIGHT AND COLOUR of vision. Inasmuch as it is hardly possible to measure or even to describe a sensation apart from the exterior physical conditions which may cause it, no apology will be made for the introduction of the ideas of zvave-length and intensity of vibration, as they are… … R B to erroneous conclusions, and he Fig. 2. — Refraction of Ray was unable to accept it. He knew that light, generally speaking, travels along straight lines, and he based his corpuscular theory on such a conception. Nowadays we think of a " ray " of light as the path of a wave disturbance, which…
Color photography · Color printing · Color
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
