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Application filed by The British Thomson Houston Co LtdfiledCriticalThe British Thomson Houston Co Ltd
Priority to BE384784ApriorityCriticalpatent/BE384784A/en
Publication of BE384784ApublicationCriticalpatent/BE384784A/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
G03B27/00—Photographic printing apparatus
G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
BE384784A1931-12-071931-12-07
Improvements to machines for printing queues
BE384784A
(en)