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JEAN BAPTISTE ARNAUD
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JEAN BAPTISTE ARNAUD
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Publication of FR502065ApublicationCriticalpatent/FR502065A/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
G03B21/00—Projectors or projection-type viewers; Accessories therefor
G03B21/14—Details
G03B21/20—Lamp housings
G03B21/2046—Positional adjustment of light sources
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FR502065A1919-07-311919-07-31Support de lampe à incandescence à réglage universel s'adaptant aux lanternes de projection
ExpiredFR502065A
(fr)
Dispositif de réglage du miroir, de la lampe et du condensateur, dans les lanternes à lumière électrique par incandescence pour projections cinématographiques
Dispositif de réglage du miroir, de la lampe et du condensateur, dans les lanternes à lumière électrique par incandescence pour projections cinématographiques