Treatment date
10 July 2002

Reason for treatment
Permanent Exhibition

Treatment proposal
Clean to remove surface dirt, grease and tarnish.


Treatment details
All cups cleaned in the same way except for cup C which is just wood. This was dusted with a blower brush inside and out. The remaining cup rims were cleaned with Silvo (cotton wadding, white spirit, Newburgh chalk, china clay) and degreased with acetone.