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Special Collections Research Center

 HOURS for February 26, 2017:  Closed

Audio-Visual Archives

 

Preservation

Audio-visual materials are notoriously challenging to preserve. Photographic positives can suffer from a range of deteriorations from tarnishing of metal bases to dirt and fingerprints becoming embedded in the emulsion of prints. Photographic negatives and motion picture film often fail from nitrate and vinegar syndrome. Video and audio formats are machine dependant which involves a whole new set of preservation concerns.