Unidentified photographer / artist n.d. 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. George Eastman Museum Courtesy of George Eastman House, Rochester, NY.
