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Publication of FR662060ApublicationCriticalpatent/FR662060A/fr
G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
G03C5/00—Photographic processes or agents therefor; Regeneration of such processing agents
G03C5/26—Processes using silver-salt-containing photosensitive materials or agents therefor
G03C5/261—Non-bath processes, e.g. using pastes, webs, viscous compositions
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FR662060D1927-10-151928-10-12Perfectionnement apporté dans les procédés de traitement chimique des épreuves photographiques positives ou négatives
ExpiredFR662060A
(fr)
Einrichtung zur Bestimmung der Lichtdurchlässigkeit von photographischen Negativen zur Expositionszeitbestimmung von Vergrößerungen oder Kontaktkopien.