preservation of archives and special collections
DESCRIPTION
This was a 2007 presentation from the ARSCOR (Archives and Special Collections Roundtable); revised 2013TRANSCRIPT
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PRESERVATIONPRESERVATION
inin
ARCHIVES ARCHIVES
andand
SPECIAL COLLECTIONSSPECIAL COLLECTIONS
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DEFINITIONSDEFINITIONSPreservationPreservationConservationConservationRestorationRestoration
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VALUEVALUE
Historic/ artifactual valueHistoric/ artifactual valueEvidentiary/ legal valueEvidentiary/ legal valueTextual/ scholarly valueTextual/ scholarly value
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Properties of the Properties of the OriginalOriginal
FormatFormat MediumMedium SubstrateSubstrate ConditionCondition
DateDate Artist/Author Artist/Author
Recipient Recipient /Owner/Owner
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Is theIs the format format stable?stable?
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folds folds herehere
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housing required?
Is special
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sharp point
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Reduce handling
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Display storage works wonders
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Is storage really permanent?
slides out
notch
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Is the Is the mediummedium stable? stable?
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Do you know your Do you know your mediamedia??
•soluble in alcohol
•fugitive color
Hectograph VS Mimeograph
•soluble in non-polar solvents (oily “halo”)
•durable color
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tantan rectorecto, , white white versoverso
uniform paper tone, Prussian Blue image color
Diazo print
Blue Line printPractice
identifying processes
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity LightLight Pests and FungiPests and Fungi Inherent ViceInherent Vice HandlingHandling
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Agents of Deterioration
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity LightLight Pests and FungiPests and Fungi Inherent ViceInherent Vice HandlingHandling
starts harmful starts harmful chemical reactions chemical reactions (cross-linking and (cross-linking and chain scission)chain scission)
makes materials makes materials expand, crack, expand, crack, warp, and separatewarp, and separate
promotes mold promotes mold growth growth
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Agents of Agents of DeteriorationDeterioration
HeatHeat
HumidityHumidity LightLight Pests and FungiPests and Fungi Inherent ViceInherent Vice HandlingHandling
promotes mold promotes mold growth and insect growth and insect activityactivity
makes materials makes materials expand, warp, expand, warp, cocklecockle
may cause stainsmay cause stains
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity
LightLight Pests and FungiPests and Fungi Inherent ViceInherent Vice HandlingHandling
starts harmful starts harmful chemical reactions chemical reactions (cross-linking and (cross-linking and chain scission)chain scission)
may cause stainsmay cause stains fades pigments fades pigments
and dyesand dyes
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity LightLight Pests and Pests and
FungiFungi Inherent ViceInherent Vice HandlingHandling
eat paper, eat paper, leather, textiles, leather, textiles, and glue (create and glue (create holes or thin holes or thin spots)spots)
cause stainscause stains create health create health
hazardhazard
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity LightLight Pests and FungiPests and Fungi
Inherent ViceInherent Vice HandlingHandling
starts harmful starts harmful chemical reactions chemical reactions (cross-linking and (cross-linking and chain scission)chain scission)
makes materials makes materials physically weakphysically weak
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Agents of Agents of DeteriorationDeterioration
HeatHeat HumidityHumidity LightLight Pests and FungiPests and Fungi Inherent ViceInherent Vice
HandlingHandling
deposits harmful deposits harmful chemicalschemicals
causes stainscauses stains causes mechanical causes mechanical
damage (creases, damage (creases, tears, cracks, etc.)tears, cracks, etc.)
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Is there Inherent Vice?
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Is theIs the substratesubstrate stable?stable?
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Monitor
your
Collections
Controls
slight
severe
severe
moderate
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Isolate damaging materials
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Questions?Questions?