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Continue to ChatA Picture is Worth a Thousand Words (Glass Plate Negative Conservation) https://blogs.cardiff.ac.uk/conservation/a-picture-is-worth-a-thousand-words-glass-plate-negative-conservation/
A Picture is Worth a Thousand Words (Glass Plate Negative Conservation) https://blogs.cardiff.ac.uk/conservation/a-picture-is-worth-a-thousand-words-glass-plate-negative-conservation/