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Application filed by Telemaco Corsi E Giulio FabricfiledCriticalTelemaco Corsi E Giulio Fabric
Publication of CH273974ApublicationCriticalpatent/CH273974A/it
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
G03B9/00—Exposure-making shutters; Diaphragms
G03B9/02—Diaphragms
G03B9/07—Diaphragms with means for presetting the diaphragm
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH273974D1949-06-221949-06-22Dispositivo per la predisposizione della diaframmatura dell'obbiettivo di un apparecchio fotografico.
CH273974A
(it)