Treatment date
22 July 2003

Reason for treatment

Treatment proposal
Remove tarnish.

Silver and copper-alloy tarnished. The tarnish is particularly bad around the area of lead solder on the silver. Heavily fingerprinted with corrosion in the areas of the fingerprints on the copper-alloy.The silver is worn and badly scratched. Replacement electrotype Silver roof gable loose.Large cabuchon crystal loose. Chain attachment loose on one side.

Treatment details
Cleaned with IMS and acetone on cotton-wool swabs.Cleaned using Silvo (cotton wadding, white spirit, Newburgh chalk, china clay) and degreased with acetone. Loose gable repaired using HMG adhesive (cellulose nitrate) reinforced using fibreglass tissue.Loose chain and crystal secured using HMG adhesive (cellulose nitrate).Area of loose filigree secure as above. Copper-alloy backplate cleaned with 10% *DETL* in distilled water. Washed off with distilled water.Dried with soft kleenex tissue.Areas of stubborn fingerprints cleaned using Brasso, metal wadding polish degreased with IMS on cotton-wool swabs and Silvo as above. Areas of tarnish on the lead solder rubbed with finest micromesh tool.