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SERGE DE PROKOUDINE GORSKY
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SERGE DE PROKOUDINE GORSKY
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Application filed by SERGE DE PROKOUDINE GORSKYfiledCriticalSERGE DE PROKOUDINE GORSKY
Application grantedgrantedCritical
Publication of FR503376ApublicationCriticalpatent/FR503376A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
G03B27/00—Photographic printing apparatus
G03B27/72—Controlling or varying light intensity, spectral composition, or exposure time in photographic printing apparatus
Landscapes
Physics & Mathematics
(AREA)
Spectroscopy & Molecular Physics
(AREA)
General Physics & Mathematics
(AREA)
FR503376A1918-11-091919-08-30Perfectionnements apportés aux appareils pour le tirage des diapositifs en couleurs
ExpiredFR503376A
(fr)