ブックタイトルConservation and Restoration of Western Paper

概要

Conservation and Restoration of Western Paper

and adhered with thin wheat starch pastesprayed on the map verso and on the lining.Overlapping edges were pasted out andre-adhered with wheat starch paste. Theassembled map was covered with polyesternon-woven fabric and thick blotters, boardsand weight to discourage movement andsplitting during drying. It was removedfrom the terylene, trimmed and because ofits size, encapsulated for storage (Photos8a-c; Photo 9).2. STAIN REDUCTIONThere are several reasons to consider theremoval of staining and discolouration in thecourse of a treatment. Immersion, whicheliminates soluble deterioration componentsfrom degraded paper, not only improvesappearance but also the physical strengthof the sheet by re-introducing fiber bonds.Stain reduction may also be desirable inorder to remove marks and blemishes thatrender parts of the object illegible. Stainingthat causes visual disruptions, that are notintrinsically part of the image layer or anotable part of the object’s history may beremoved for cosmetic reasons. Methods forthe reduction of staining are summarized inDiagram 2.The entire bottom edge of the rolled Map ofthe St. Lawrence River (Photos 10a,b) wasdamaged by rodent attack. Brown stainsalong the top of the map, possibly causedby mouse urine and water damage, hadrendered parts of the text obscured. Becausesome of the media was water soluble, thestaining was reduced locally using a suctionplate. Warm water was applied to thePhoto 8a Preparing the Terylene and Japanese paper liningPhoto 8b Transferring the map to the liningPhoto 8c Map drying under blotters60Photo 9A Plan of the Water Communication from Kingston to theGrand River, after treatment