gelatin process
21dye-transfer process — ▪ photography in photography, technique for preparing coloured (colour printing) photographic prints in which the colours of the subject are resolved by optical filters (filter) into three components, each of which is recorded on a separate …
22carbon process — n. a photographic printing process that uses paper coated with sensitized, pigmented gelatin that becomes progressively hardened and insoluble the more it is exposed to light …
23carbon process — noun a process of printing on paper coated with bichromated gelatin containing pigment • Hypernyms: ↑printing, ↑printing process …
24imbibition process — noun : a process by which a photographic print is produced by absorption of a water soluble dye by a relief image or a differentially absorbing image in gelatin or a similar medium or in which a previously formed dye image is transferred by… …
25pigment process — noun : a photographic printing process in which the image consists of a black or colored pigment distributed in a colloidal medium (as gelatin) …
26relief process — noun : a process for making subtractive color prints that employs photographic images of varying thickness in a material (as gelatin) that may contain a pigment or may be dyed to show variations in optical density in proportion to thickness …
27bichromate process — any of several methods of photography in which the light sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin. * * * …
28carbon process — a method of making photographic prints by the use of a pigment, as carbon, contained in sensitized gelatin. [1875 80] * * * …
29bichromate process — any of several methods of photography in which the light sensitive medium is alkaline bichromate associated with a colloid such as gum, albumen, or gelatin …
30Gelatine — Gelatin Gel a*tin, Gelatine Gel a*tine, n. [F. g[ e]latine, fr. L. gelare to congeal. See {Geal}.] (Chem.) Animal jelly; glutinous material obtained from animal tissues by prolonged boiling. Specifically (Physiol. Chem.), a nitrogeneous colloid,… …
