When the shot is afterwards subjected to white light, colour appears because of selective reflection.#Gabriel Lippmann
This result is due to a phenomenon of interference which occurs within the sensitive layer.#Gabriel Lippmann
The series of photographic operations, developing, washing, final drying, takes about quarter of an hour.#Gabriel Lippmann
The problem of direct colour photography has been facing us since the turn of the...#Gabriel Lippmann
The length of exposure (one minute in sunlight) is still too long for the portrait....#Gabriel Lippmann
Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel...#Gabriel Lippmann
In the case of composite colour, an infinity of systems must be obtained for maxima...#Gabriel Lippmann
During exposure, interference takes place between the incident rays and those reflected by the mirror,...#Gabriel Lippmann
