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Storage is an important aspect of preservation. Environmentally controlled vaults provide optimum temperature and relative humidity for collections.

Slide 16Aside from treatments to collection items, artifacts are stabilized physically through a variety of techniques. We choose safe acid-free and neutral pH papers and boxes where appropriate. Archival storage for undersized manuscript diaries includes wrapping and filling the void of the folder with ethafoam stitched into place.
Slide 17Panoramic photographs more than 5 feet in length receive a full Tyvek interleaf and are rolled onto acid-free tubes. Drop tags identify the item for library staff.
Slide 18Panoramic photographs less than 5 feet are stored in sleeves made from Tyvek stitched to Melinex and placed in folders. The folders are placed in Tyvek slings for lateral drawer storage.