MANUEL PRATIQUE D'ORTHOCHROMATISME. Léon Vidal.
MANUEL PRATIQUE D'ORTHOCHROMATISME

MANUEL PRATIQUE D'ORTHOCHROMATISME

Paris: Gauthier-Villars, 1891. First edition. 12mo., xvi, 127 pp., frontis with tissue guard, 14 illustrations in text, folding diagram of Vogel's spectrographe with tissue guard and one plate with a mounted color chart of the visible color spectrum. Printed paper wrappers. A folded contemporary manuscript of six holograph pages concerned with the color spectrum, orthochromatic photography, etc., is laid-in. Front wrapper is creased with a short tear at the spine repaited with clear tape. Item #53056

Léon Vidal (1834-1906) was head of the Association of Musée des Photographies Documentaires, which he founded, and a professor of photography at the École des Arts Decoratifs. An early and important text that furthered the attainment of a true three color photography through spectrology and orthocromatics, the process by which photographs of colors are represented by their degree of intensity.

Roosens and Salu No. 7667.

Price: $125.00

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