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1932 Baird Electronic Cinema Concept (UK)
By 1932, Barid had moved from lamps to spinning mirrors. In a highly promoted public demonstration, Baird transmitted a horse race from Epsom Downs 25 miles to the Metropole Cinema in Victoria. Image size was 10 feet by 8 feet and rear-projected onto a translucent screen. The projector used a drum of 30 mirrors spinning at 750 rpm. Three channels (not RGB) were used to transmit the monochrome image. The reports were that the images were very blurred and flickered but it was possible to see the horses and jockeys.
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