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In addition to the above the Eastman Company possesses the Chronochrome process of Gaumont using three colors in taking and projecting. Members of the Eastman staff have also developed a commercial process, in which double coated positive stock is used and the dyeing applied by the (5) Capstaff process described above.
Patents
In England the patents for steps useful in color cinematography are several hundred, while France and Germany have done their share. In the U. S. we have the grand-daddy of them all — Mr. F. E. Ives, issuing frequent patents on this subject. Several others are mentioned in this paper, but it is too big a subject to cover now
Some inventors anticipating the direction that this work would ultimately take have endeavored to cover up by patents the principles that would apply. They have been more or less successful in this, but as it is a lifetime work for any individual to have covered all the steps, some patents wait for the art to grow up to them.
Future
I quote from "Photoplay," for September, 191 8.
"Imagination's one expression is art, in some form or other. What music has meant to Italy, painting to France, the novel to Russia, and dramatic literature to England, the moving pictures will mean to America.
"Yesterday America was the only believer in the moving picture; today it is the only developer; tomorrow it will be the only master of the craft."
Up to the present we have lacked the paint brush and palette. No motion pictures in natural colors approaching the possibilities of this art have been shown. No artist has had his opportunity. Motion pictures, grander and more perfect than those paintings adorning the museums of the world are in store for the world, in motion. I have seen the "signs" and know that they are near.
Discussion
Mr. Burrows asked just how the colored image on the film was obtained.
Mr. Mayer, by way of illustration, showed samples of the double emulsion process film — emulsion on both sides of a celluloid base. In the negative, one frame is taken through a green filter suppressing the reds; the corresponding frame is taken through a red filter suppressing the green. From this negative, the print is made with one color value on one side and the other color value on the other side, and is then dyed in order to render the field of transparency on one side, a matchup with the color on the other side. In other words, the negative separates the color values and the color is restored by superimposing the prints of the various color values. Then followed a brief description of different methods of taking these negatives and the advantages and disadvantages of each.
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