[On the Gaussian curve, remarked to Poincaré:] Experimentalists think that it is a mathematical theorem while the mathematicians believe it to be… — Gabriel Lippmann Copy Share Image
[On the Gaussian curve, remarked to Poincaré:] Experimentalists think that it is a mathematical theorem while the mathematicians believe it to be an experimental… — Gabriel Lippmann Copy Share Image
During exposure, interference takes place between the incident rays and those reflected by the mirror, with the formation of interference fringes half a wavelength… — Gabriel Lippmann Copy Share Image
The series of photographic operations, developing, washing, final drying, takes about quarter of an hour. — Gabriel Lippmann Copy Share Image
In the case of composite colour, an infinity of systems must be obtained for maxima infinitely slight and with an infinity of interval values… — Gabriel Lippmann Copy Share Image
This result is due to a phenomenon of interference which occurs within the sensitive layer. — Gabriel Lippmann Copy Share Image
The problem of direct colour photography has been facing us since the turn of the last century. — Gabriel Lippmann Copy Share Image
The plate at each point only sends back to the eye the simple colour imprinted. The other colours are destroyed by interference. The eye… — Gabriel Lippmann Copy Share Image
When the shot is afterwards subjected to white light, colour appears because of selective reflection. — Gabriel Lippmann Copy Share Image
The length of exposure (one minute in sunlight) is still too long for the portrait. It was fifteen minutes when I first began my… — Gabriel Lippmann Copy Share Image
Most of these pictures, taken while travelling, were developed on the mantelpiece of a hotel room, which proves that the method is easy enough… — Gabriel Lippmann Copy Share Image
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