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Spectroscopies and electron microscopies unravel the origin of the first colour photographs
Victor de Seauve, Marie-Angélique Languille, Mathieu Kociak +7
The first colours photographs were created by a process introduced by Edmond Becquerel in 1848. The nature of these photochromatic images colours motivated a debate between scienti…
Replication and study of the colouration of Edmond Becquerel's photochromatic images
Victor de Seauve, Marie-Angélique Languille, Saskia Vanpeene +3
Edmond Becquerel's process of making photochromatic images, which are the first colours photographs, is still poorly understood. In particular, the origin of the colours of these i…
Edmond Becquerel's colour photographic process involves a Ag/AgCl-based sensitized layer
Victor de Seauve, Marie-Angélique Languille, Stéphanie Belin +5
Edmond Becquerel invented in 1848 the first colour photographic process. The "photochromatic images" he produced raised several questions, among which the photochromic nature of th…