gelatin process
31Hectograph — The hectograph or gelatin duplicator or jellygraph is a printing process which involves transfer of an original, prepared with special inks, to a pan of gelatin or a gelatin pad pulled tight on a metal frame.The special aniline dyes for making… …
32hectograph — hectographic /hek teuh graf ik/, adj. hectography /hek tog reuh fee/, n. /hek teuh graf , grahf /, n. 1. a process for making copies of a letter, memorandum, etc., from a prepared gelatin surface to which the original writing has been transferred …
33Dry plate — Dry plate, also known as gelatin process, is an improved type of photographic plate. It was invented by Dr. Richard L. Maddox in 1871, and by 1879 it was so well introduced that the first dry plate factory had been established. With much of the… …
34Photograph — A photograph (often shortened to photo) is an image created by light falling on a light sensitive surface, usually photographic film or an electronic imager such as a CCD or a CMOS chip. Most photographs are created using a camera, which uses a… …
35gelatination — n. gelatinization, changing into gelatin, process of converting into gelatin …
36gelatinations — n. gelatinization, changing into gelatin, process of converting into gelatin …
37Louis Arthur Ducos du Hauron — Louis Ducos du Hauron Louis Arthur Ducos du Hauron (8 December 1837–31 August 1920) was a French pioneer of color photography. He was born in Langon, Gironde and died in Agen. After writing an unpublished paper setting forth his basic concepts in …
38photography, technology of — Introduction equipment, techniques, and processes used in the production of photographs. The most widely used photographic process is the black and white negative–positive system (Figure 1 >). In the camera the lens projects an image of… …
39Technicolor — This article is about the film processing trademark. For the parent company of the same name, see Technicolor SA. For other uses, see Technicolor (disambiguation). A title card for a Walt Disney Donald Duck cartoon with an in Technicolor credit.… …
40printing — /prin ting/, n. 1. the art, process, or business of producing books, newspapers, etc., by impression from movable types, plates, etc. 2. the act of a person or thing that prints. 3. words, symbols, etc., in printed form. 4. printed material. 5.… …
