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Treatment; 12 Nov 1998; Req.No: 68384 Clean; Metals

Reason: Permanent Exhibition
Description: Req 25190 March 1985: Removed old lacquer by washing in acetone applied on swabs. Removed tarnish by using 10% formic acid in distilled water applied on swabs. Polished with Duraglit Silver Polish and Long Term Silver Cloth. RRG Req 68384 November 1998: Cleaned with acetone applied on cotton wool swabs. Picked away debris trapped in corners using a pin and fine dental tool. Attempted to remove deposits around filigree detail using formic acid (30% in distilled water). Residue removed with distilled water. This was ineffective on the filigree but brightened the gilded edge. Removed any trapped cotton wool fibres using tweezers under a microscope. CRB
Details: Treatment