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Publication of FR643892ApublicationCriticalpatent/FR643892A/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
G03B17/00—Details of cameras or camera bodies; Accessories therefor
G03B17/26—Holders for containing light sensitive material and adapted to be inserted within the camera
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FR643892D1927-04-141927-04-14Bloc universel pour la photographie positive et négative directe sur papier
ExpiredFR643892A
(fr)
Procédé et appareil pour réimprimer sur des feuilles à épreuve et d'autres feuilles, des originaux pourvus, à l'encre copiante, d'écritures ou de dessins catoptriques