27 August 1993
Reason for treatment
Dirty/dusty. Decorators paint/plaster on sides. In areas, greasy deposit and spots of white paint.
Dry cleaned using Wishab sponge. Removed dirt and sponge residues with a soft brush and vacuum cleaner. Paint/plaster removed mechanically with scalpel blade. Deposit/paint removed with Nitromors water soluble (methylene chloride,sodium hydroxide,cellulose),removed with acetone.