“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.”
Other Gabriel Lippmann Quotes
The problem of direct colour photography has been facing us since the turn of the last century.
Gabriel Lippmann 
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In the case of composite colour, an infinity of systems must be obtained for maxima infinitely slight and with an infinity of interval values separating them - that is to say, the whole thickness of the sensitive layer is occupied in continuous manner by these maxima.
Gabriel Lippmann
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The series of photographic operations, developing, washing, final drying, takes about quarter of an hour.
Gabriel Lippmann
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