from The Century Dictionary and Cyclopedia
- n. A brass or bronze cast plate having numerous narrow slots, used as a pulp-strainer in a pulp-screen. See screen, 2 .
Sorry, no etymologies found.
Autochrome is an additive color 'screen-plate' process: the medium contains a glass plate, overlaying random mosaic of microscopic grains of potato starch, with lampblack filling the space between grains, and an impermeable black-and-white, panchromatic silver halide emulsion.