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Watercolour paint used in photographic hand-colouring consists of four ingredients: pigments (natural or synthetic), a binder (traditionally arabic gum), additives to improve plasticity (such as glycerine), and a solvent to dilute the paint (i.e. water) that evaporates when the paint dries. The paint is typically applied to prints using a soft ...
Milk paint is a nontoxic, milk-based paint bound with casein. It can be made from milk and lime , generally with pigments added for color. [ 1 ] [ 2 ] [ 3 ] In other recipes, borax is mixed with milk's casein protein in order to activate the casein and as a preservative.
In the production of photographic prints, spotting is a type of retouching flaws in the finished print with specially made paints, dyes, pencils and pens. [1]White spots on gelatin-silver prints made from negatives are caused by dust adhering to the negative or paper during exposure.
The ambrotype was based on the wet plate collodion process invented by Frederick Scott Archer.Ambrotypes were deliberately underexposed negatives made by that process and optimized for viewing as positives instead. [2]
Semiotics of photography is the observation of symbolism used within photography or "reading" the picture. This article refers to realistic, unedited photographs not those that have been manipulated in any way. Roland Barthes was one of the first people to study the semiotics of images. He developed a way to understand the meaning of images.
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In photography, toning is a method of altering the color of black-and-white photographs. In analog photography, it is a chemical process carried out on metal salt-based prints, such as silver prints, iron-based prints (cyanotype or Van Dyke brown), or platinum or palladium prints. This darkroom process cannot be performed with a color photograph.
The Wisconsin State Farmer reports that some schools are distributing fresh milk to students in plastic pouches after two milk carton plants closed last year. The shortage could last until early ...