Science: Colored Cinema

From Berlin came reports of a new photochemical process for producing naturally colored cinema films at no greater expense or effort than black and white effects require. An ordinary camera was used and an ordinary monochromatic film, treated specially but simply. No "screen" or "color filter"* was needed on camera or projector. Fringes of color—bane of films made with filters by superimposing sets of negatives—were unknown. The only features of the invention described by correspondents were: 1) that the film had to be run twice as fast as a black and white film...

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