Wall, E. J. (Edward John), 1860-1928 · Boston, Mass., American Photographic Publishing Co. · leaf 199
THE LIPPMANN PROCESS 187 that the direction of the light is from left to right, rep- resent what happens by II in Fig. 21, in which A'B' is the plane of equilibrium or rest, and a is the crest, b the trough of the wave; the distance of the particles a, by c, from A’B' is called the amplitude of the… … 1) Fig. 21 A wave-length is the distance between any two points similarly situated as regards the equilibrium plane, so that A'D'yC'B', or ac are each a complete wave-length, and obviously the midway points are half wave-lengths, thus A'C' is the half wave-length of A'D'. When a ray of light meets…
Color photography
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
