collodion emulsion
1Collodion process — An old deteriorated wet plate featuring Theodore Roosevelt The collodion process is an early photographic process. It was introduced in the 1850s and by the end of that decade it had almost entirely replaced the first practical photographic… …
2émulsion — [ emylsjɔ̃ ] n. f. • 1560; lat. emulsum, supin de emulgere « traire » 1 ♦ Préparation liquide d apparence laiteuse tenant en suspension une substance huileuse ou résineuse (ex. lait d amandes). 2 ♦ Chim. Mélange hétérogène de deux liquides non… …
3Emulsion — E*mul sion, n. [From L. emulgere, emulsum: cf. F. [ e]mulsion. See {Emulge}.] Any liquid preparation of a color and consistency resembling milk; as: (a) In pharmacy, an extract of seeds, or a mixture of oil and water united by a mucilaginous… …
4emulsion — [ē mul′shən, imul′shən] n. [ModL emulsio < L emulsus, pp. of emulgere, to milk or drain out < e , out + mulgere, to MILK] a stable colloidal suspension, as milk, consisting of an immiscible liquid dispersed and held in another liquid by… …
5collodion wet plate — A photographic process invented in 1851, involving the use of a thick glass plate on which to create a negative, exposing it in the camera with its emulsion still wet. Also called wet plate and wet collodion process. It was the standard… …
6photography, history of — Introduction method of recording the image of an object through the action of light, or related radiation, on a light sensitive material. The word, derived from the Greek photos (“light”) and graphein (“to draw”), was first used in the… …
7Albumen print — The albumen print, also called albumen silver print, was invented in 1850 by Louis Désiré Blanquart Evrard, and was the first commercially exploitable method of producing a photographic print on a paper base from a negative. It used the albumen… …
8William Henry Jackson — Infobox Person name = William Henry Jackson caption = William Henry Jackson in 1862 birth date = birth date|1843|4|4|mf=y birth place = Keeseville, New York death date = death date and age|1942|6|30|1843|4|4|mf=y death place = New York, New York… …
9Photography in Denmark — Peter Faber: Ulfeldts Plads (1840), Denmark s oldest photograph on record …
10PHOTOGRAPHIE — La perception de l’apparence du monde matériel par notre organe visuel a comme support la lumière visible ou les autres radiations électromagnétiques, rendues visibles par l’intermédiaire de phénomènes auxiliaires. L’emploi direct de l’ensemble… …
