FR533793A - Appareil cinématographique permettant la prise des négatifs, le tirage des positifs en plein jour, et la projection des positifs
- Google Patents
Appareil cinématographique permettant la prise des négatifs, le tirage des positifs en plein jour, et la projection des positifs
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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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/32—Details specially adapted for motion-picture projection
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General Physics & Mathematics
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FR533793D1920-10-041920-10-04Appareil cinématographique permettant la prise des négatifs, le tirage des positifs en plein jour, et la projection des positifs
ExpiredFR533793A
(fr)