14 February 2005
Reason for treatment
Clean base escutcheon and fish to remove dust/dirt. Check enamel. reposition escutcheon on base. reposition square escutcheons. stabilise cracks.
The object is chemically stable however it is in an unstable physical condition. The bowl is fragmentary with large areas missing. The fragments of the bowl have been joined into four main areas using hmg cellulose nitrate adhesive and backing with nylon gossamer. Other areas have been repaired with polyester resin and fiberglass. These larger areas of joined fragments have then been mounted on an internal perspex mount consisting of a base ring, three struts and a rim support. The bowl fragments are joined to the mount using bolts soldered onto the bowl and those on the back of the escutcheons. Due to the way in which the bowl was attached to the mount in sections there are mis-alignments around the rim and wrongly positioned fragments causing instability and is increadibly unsightly. Large areas of the bowl are left unsupported and remain fragile and vulnerable when the bowl is handled. Many of the joins and cracks in the bowl are unstable causing large amounts of movement to the fragments. The old repairs are brittle and begining to fail, accelerated by the strain they are put under as the bowl flexes. Areas of adhesive around the top of the rim and at the edge of bowl suggest that fragments adhered in previous restorations have become detached and are missing indicating the inadequacy of the mount in supporting fragile areas. It is strongly recommended that the bowl is remounted and reconserved on return from the loan to stabilise and reposition fragments, and improve the appearence of the object.
Dust and particulate deposits was removed from the bowl by brushing with a sable haired brush. cracks and joins were reinforced and imobilised using HMG cellulose nitrate repairs, including the large 'crack' along one side of the bowl left unjoined in the previous treatment. The decision was made to imobilise the cracks and joins as the object will experience a great deal of handling during the loan process and greater rigidity that this would give the bowl would be beneficial as it would stop areas of the metal grating against each other causing loss and abrasion.
The fish and base escutcheon were dusted with a sable haired brush and the metal elements swabbed with IMS. The base escutcheon was reattached to the base of the bowl using exisiting bolts and holes. A piece of Plastazote was placed between the escutcheon and the bowl to prevent abrasion.
The mount was cleaned with IMS to remove dust and dirt.