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,
LL/41540