Improvements in and relating to Color Screens for Photographic Purposes
GB190312514A
Improvements in Photographic Apparatus for Three Color Photography
GB190312513A
Improvements in Dyeing Photographic Plates
GB190308498A
Improvements relating to the Preparation of Back Grounds or Surfaces for Color Photographs.
GB189913666A
Improvements in the Method of and Means for Producing Images in Complementary Colors, suitable also for Use in Taking, Projecting, Inspecting, Testing, or Combining Three Color Photographs, Prints, or the like.
GB189912515A
Improvements in the Manufacture of Selective Color Light Filters for Photo Optical Purposes.
GB189912517A
Improvements in the Formation of Films for use in Color Photography.
GB189912516A
Improvements relating to the Sensitizing and Relative Sensitive Adjustment of Photographic Plates or the like for use in Color Photography and to the Measurement of Time Exposure of said Plates.
GB189904290A
An Improved Process for the Production of Photographs in Natural Colors upon Paper or other Flexible Support.
US654766A
Production of colored photographs.
GB189711133A
Improvements in Photographic Dark Backs for Successive Exposures for the Purposes of Color Photography.