Improvements in and relating to Films for Natural-colour Cinematography.

摘要

117,864. Douglass, L. F. Oct. 19, 1917. Drawings to Specification. Kinematograph films having alternate pictures of different colour values arc dyed or toned by stopping out alternate pictures with varnish or other adhesive material, dyeing or toning the exposed pictures in a suitable bath, removing the stopping, stopping out the dyed or toned pictures, appropriately dyeing or toning the exposed pictures, and finally removing the stopping. The colours are thus produced in the film itself. Dyes for use in the process are set forth in the Specification.