Percy Wynham Lewis Advertising Quotes


Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel room, which proves that the method is easy enough to carry out. Gabriel Lippmann Uncategorized 86
When the shot is afterwards subjected to white light, colour appears because of selective reflection. Gabriel Lippmann Uncategorized 64
The problem of direct colour photography has been facing us since the turn of the last century. Gabriel Lippmann Uncategorized 61
The length of exposure (one minute in sunlight) is still too long for the portrait. It was fifteen minutes when I first began my work. Progress may continue. Gabriel Lippmann Uncategorized 47
Life is short and progress is slow. Gabriel Lippmann Uncategorized 44
This result is due to a phenomenon of interference which occurs within the sensitive layer. Gabriel Lippmann Uncategorized 44
I got quite good results from protein plates. Gabriel Lippmann Uncategorized 41
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 Uncategorized 41
The series of photographic operations, developing, washing, final drying, takes about quarter of an hour. Gabriel Lippmann Uncategorized 40
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 Uncategorized 34

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Percy Wynham Lewis Advertising Quotes

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