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Heritage Science
Fig. 2 | Heritage Science

Fig. 2

From: The lightfastness of early synthetic organic dyes

Fig. 2

Custom fadometer and sample measurement system for lightfastness testing of dyed textile samples: a diagram of the fadometer apparatus with samples oriented toward a single LED source; b schematic of the sample mounting stage; c image of the sample carousel and mounted lux sensor; d image of the colour measurement for cantilevered textile samples over black and white surfaces

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