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GB190926911A
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Device for Production of Three Colour Screens for Colour Photography.
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GB190802213A
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Improvements in and relating to Three Colour Reticules for Colour-photography.
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GB190700495A
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Improvements relating to Three Colour Screens and the Screen Process of Colour Photography.
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GB190700058A
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Improvements relating to Screens for Half-tone and like Photographic and Photomechanical Processes.
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GB190601938A
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An Improved Process for Producing Three-colour Screens for Colour Photography.
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US728245A
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Copying material for photographic purposes.
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GB190213093A
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Improvements relating to the Pigment Process of Photography
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GB190012485A
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Improvements in Photo-chromoscopes.
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GB190010137A
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Improvements in or connected with Electric Lamps.
|
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GB190010000A
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Improvements in the Means for and Method of Projecting or Viewing Photographic Pictures with Natural Colours.
|
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GB190010003A
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Improvements in the Method of and Means for the Production of Photographic Pictures which may be viewed with the Natural Colours of their Subjects.
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GB190009879A
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Improvements in or relating to Electric Incandescent Lamps.
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GB189920813A
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Improvements in Apparatus for Exhibiting Photographs in Natural Colours.
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CA56705A
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Galvanic element
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GB189712675A
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Improvements in Galvanic Batteries.
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