Science: Camera Colors

Eastman Kodak Co. last week introduced an improved method of printing color photographs direct from color transparencies. Up to now making color prints has involved three separate operations, three separate negatives, has cost the amateur about $2 per 2¼ by 3¼ in. picture. Most color photographers have been content with kodachromes, which are not prints at all but transparencies which must be held up to the light or projected on a screen to be seen.

Eastman's new method produces a print in one operation. Main principle: a triple coating of sensitive chemicals on the surface to be printed, each layer of chemicals...

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