Collotype
- Collotype
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Phototypie
La phototypie est un procédé d'impression à l'encre grasse au moyen de gélatine bichromatée et insolée sur plaque de verre. Ce procédé permet un rendu à modèle continu non tramé.
Historique
Procédé élaboré en 1856 par Louis-Alphonse Poitevin et amélioré vers 1870 par Joseph Albert, il servira de base à Karl Klietsch pour mettre au point l'héliogravure.
Autres appellations
Catégorie : Procédé photographique
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Collotype — Col lo*type, n. [Gr. ? glue + type.] A photomechanical print made directly from a hardened film of gelatin or other colloid; also, the process of making such prints. According to one method, the film is sensitized with potassium dichromate and… … The Collaborative International Dictionary of English
collotype — [käl′ə tīp΄] n. [< Gr kolla, glue + TYPE] 1. a photomechanical process by which inked reproductions are transferred to paper directly from an image formed on a sheet of hardened gelatin 2. the printed reproduction … English World dictionary
Collotype — This article is about the photographic process. For the printmaking process, see Collagraphy. Postcard with the theme of Alte Oper in Frankfurt am Main, about 1900. Collotype is a dichromate based photographic process invented by Alphonse… … Wikipedia
collotype — noun Etymology: International Scientific Vocabulary Date: 1881 1. a photomechanical process for making prints directly from a hardened film of gelatin or other colloid that has ink receptive and ink repellent parts 2. a print made by collotype … New Collegiate Dictionary
collotype — collotypic /kol euh tip ik/, adj. collotypy /kol euh tuy pee/, n. /kol euh tuyp /, n., v., collotyped, collotyping. n. Also called albertype, artotype, heliotype. 1. any photomechanical process of printing from a plate coated with gelatin. 2. the … Universalium
collotype printing — noun a photomechanical printing process that uses a glass plate with a gelatin surface that carries the image to be reproduced; can be used with one or more colors • Syn: ↑collotype, ↑photogelatin process • Hypernyms: ↑planographic printing,… … Useful english dictionary
collotype — noun a) A dichromate based photographic process formerly used for large volume mechanical printing. b) An image produced by this process … Wiktionary
collotype — col·lo·type || kÉ’ləʊtaɪp n. type of color printing used for the finest facsimile reproductions of works of art … English contemporary dictionary
collotype — A photographic printing process in which a glass plate whose surface has been coated with gelatin carries the image to be reproduced. Also called a photogelatin process … Glossary of Art Terms
collotype — [ kɒlətʌɪp] noun a process for making high quality prints using a sheet of light sensitive gelatin. Origin C19: from Gk kolla glue + type … English new terms dictionary