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We frequently find ourselves working on unusual items. Recently, our textiles conservator was asked to treat this tram roll by a private collector. It had developed black mould staining and orange-brown iron staining whilst in storage.
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Because the tram roll was fabric, and the ink used to colour it was water-soluble (and thus we could not use water-based solutions for cleaning), the treatment was quite difficult. Whilst we were able to remove a substantial amount of general soiling, and reduce the visibility of both the mould and the iron stains, in this instance it was not possible to totally remove the stains.
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