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
   
Gabriel Lippmann   Name:
Gabriel Lippmann
Type:
Scientist
Nationality:
none
https://www.nutquote.com/quote/Gabriel_Lippmann