| Unidentified photographer/creator These photomicrographs of the (a) Joly Color, magnified 20Î, (b) Autochrome, magnified 50Î, and (c) Finlay Colour, magnified 50Î, allow a direct visual comparison of how each of these additive screen processes constructed a color image. n.d. George Eastman Museum Courtesy of George Eastman House, Rochester, NY. LL/41540
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