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

概要

Conservation and Restoration of Western Paper

of-the-art preservation centre in Gatineau,Quebec, purposely designed and built in1997 to last for at least 500 years of servicewith minimal material replacement and toprovide a safe environment for the longtermstorage and preservation of LAC’sdiverse holdings (Photo 1).Individual laboratories for conservationtreatment, preservation copying of records,and digitization facilities are arranged in avillage-like setting on the top floor of thebuilding, directly over the three-story vaultstructure (Photo 2).There are 48 vaults in the PreservationCentre that house the different collectionsthat make up the LAC holdings.Environmental setpoints for each vault,adjusted to accommodate the specificcollection material are summarized inDiagram 1.Conservation services fall under twogroups that are broadly defined as digitaland analogue. Specialty labs providepreservation support for archival film,photography, imaging, and video and audiorecordings. Conservation of the analoguecollection is divided into five areas: books,maps and manuscripts, works of art on paper,photographs, and paintings, all of whichoccupy separate spacious, well equippedlaboratories (Photo 3).In addition to working on the LACholdings, conservators perform a rangeof other activities, such as conductingresearch into conservation materials andtechniques to develop treatment protocols,ENVIRONMENTAL SETPOINTS+2°C; +5%RHVAULT MATERIAL20°c / 40% RH High density storage facility: newspapers18°c / 40% RH18°c / 35% RH18°c / 50% RH-18°c / 25% RH2°c / 25% RH18°c / 35% RH(meets ISO standards)Art: paperTextual: paper, parchmentCartographic: paper, parchmentArchitectural: paper, parchmentPhoto: b/w prints; b/w negativesTapes, Records, Compact DiscsElectronic (digital linear tape)MedalsMicrofilmDiacetateSafety based motion pictureOil paintings and framesMiniaturesGlobesWooden objectsColour photographic printsColour negativesColour motion picture filmDeteriorated DiacetateNitrate facilityNitrate photographic negativesNitrate motion picture filmDeteriorating film vaultDestruction vaultDiagram 1 LAC Vault Setpoints and Collections56