Sequence viewing > Index - Alternative Photo Emulsions - Resource - ©
Lloyd Godman
Alternative
Photographic Processes - (Hand
made photographic -emulsions and processes)
In these
emulsions the image is formed by a colour pigment mixed with emulsion.
Usually during the process there is a change in the chemical nature
of the emulsion that alters the areas effected by light and allows the
other areas to be reduced away leaving a recognizable pigment image.
Gum
Bichromate
Tempra
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