Treatment date
31 August 1991

Reason for treatment
Permanent Exhibition

Treatment proposal
Clean to remove water marks on front.

Leak in showcase had caused water spots on surface. Req no 44929

Treatment details
Washed in tap water, with Synperonic N (non ionic detergent,nonylphenol ethylene oxide condensate). Dried with paper tissue. Wiped over with anti-static cloth.