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CASSELS ANIMATED SLIDE ADS
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CASSELS ANIMATED SLIDE ADS
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Publication of FR644832ApublicationCriticalpatent/FR644832A/en
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
G03B33/00—Colour photography, other than mere exposure or projection of a colour film
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR644832D1926-11-201927-11-05
Improvements to projection lanterns
ExpiredFR644832A
(en)