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Recent content by Graham Freeman

  1. Graham Freeman

    A
    Autochromes...

    Identification of Solid Green 3B as Setoglaucine (CI 42025) Summary: Recent research confirms that the dye historically referred to as Solid Green 3B, used in the green-stained starch grains of Lumière Autochrome plates from 1908 onward, corresponds chemically to the modern dye known as...
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