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 last century. — Gabriel Lippmann
Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel room — Gabriel Lippmann
In the case of composite colour, an infinity of systems must be obtained for maxima — Gabriel Lippmann