Martin, L. C. (Louis Claude), Gamble, William · London, Blackie · leaf 110
hmic. Good even wedges of this type may be copied photographically, and " photographic wedges " made in this manner are used in Fig- 34- — Annulus plate sensitometry;! also wedges ground from neutral-tinted glass are employed. The brightness of the transmitted light no longer follows the… … Fig- 35- — Polarizing Prisms crossed- direction OA. (Imagine that light is all light stopped by B coming towards you from the diagram.) If the second transmits only vibrations parallel to OB, no light can pass through the combination. If, however, the second transmits components parallel to OB',…
Color photography · Color printing · Color
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
