GB191512091A
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Photographic Transfer Processes.
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CA159408A
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Photographic printing paper
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US1228680A
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Photographic printing paper and transfer process.
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CA152866A
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Stained relief for transparencies
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GB191303509A
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Improvements in or relating to the Production of Cinematographic Effects in Colour and in Monochrome with Isochromatic Effect.
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GB191229616A
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Improvements in and relating to Photographic Printing Paper and Transfer Processes.
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GB191220556A
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Producing and Combining Colour-elements for Diapositives or Katapositives.
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GB191220555A
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Production and Treatment and use of Gelatinous Reliefs.
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GB191217483A
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Improvements in or relating to Cinematography.
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GB191208626A
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Production of Cinematographic Effects in Colour.
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CA212713A
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Photographic transfer process
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CA220369A
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Photographic transfer process
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