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Inventeur-savant et inventeur-innovateur : Charles Cros et Louis Ducos du Hauron. Les commencements de la photographie en couleurs.

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Année 1982 35-3 pp. 247-273
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Inventeur-savant et inventeur-innovateur Charles Cros et Louis Ducos du Hauron

Les commencements de la photographie en couleurs*

« We are still not as good as we might be at squeezing wealth from knowledge » (1).

Le 7 mai 1869, Charles Cros et Louis Ducos du Hauron soumettaient tous deux et indépendamment l'un de l'autre deux mémoires sur la photographie des couleurs, proposant une solution semblable

• Cet article représente une première approche d'un aspect particulier des débuts de la photographie en couleurs et de ses rapports avec la peinture de l'époque, qui sera traité dans une thèse en voie de rédaction. Je saisis cette occasion pour remercier le Pr Jean-Claude Guédon de son encouragement et de ses conseils judicieux. (1) J. Langrish, M. Gibbons, W. G. Evans, F. R. Jevons, Wealth front Knowledge. Studies of Innovation in Industry, Londres, Macmillan, 1972, p. 2. Rev. Hist. ScU, 1982, xxxv/3

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