23 August 2004
Reason for treatment
Light clean to remove tarnish on one side. Remove white deposits.
Tarnished on one side. (note that the two sides are made from two slightly different coloured alloys).
Cleaned using Industrial methylated spirits (ethanol, methanol) applied on cotton wool swabs.Cleaned using Silvo (cotton wadding, white spirit, Newburgh chalk, china clay) and degreased with acetone.Cleaned using acetone applied on cotton wool swabs.