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NICHOLAS POWER Co SOC
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NICHOLAS POWER Co SOC
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Filing date
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Application filed by NICHOLAS POWER Co SOCfiledCriticalNICHOLAS POWER Co SOC
Application grantedgrantedCritical
Publication of FR422572ApublicationCriticalpatent/FR422572A/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
G03B1/00—Film strip handling
G03B1/18—Moving film strip by means which act on the film between the ends thereof
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
FR422572D1910-11-151910-11-15Perfectionnements aux appareils pour la projection de vues animées
ExpiredFR422572A
(fr)