The series of photographic operations, developing, washing, final drying, takes about quarter of an hour.
Gabriel Lippmann
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During exposure, interference takes place between the incident rays and those reflected by the mirror, with the formation of interference fringes half a wavelength distant from each other.
- Gabriel Lippmann -
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The plate at each point only sends back to the eye the simple colour imprinted. The other colours are destroyed by interference. The eye thus perceives at each point the constituent colour of the image.
- Gabriel Lippmann -