Luckiesh, Matthew, 1883-1967 · New York, D. Van Nostrand company · leaf 51
31 THE PRODUCTION OF COLOR the window shade could be examined minutely end on. We would then see something similar to c for the different waves vibrate in all possible different planes. Suppose further that by some means the beam could be transformed so that when seen end on, it would … appear like d. Such a beam consisting of waves in parallel planes is said to be a plane-polarized beam, and curiously, the nomenclature adopted states that such a beam in which the waves all move in vertical planes, is polarized in the horizontal plane . It is understood that these graphical…
Color
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.