Definition of obsolete media

In a job description in Conservation DistList Instance: 27:42
Wednesday, April 30, 2014 Stephanie A. Lamson <salamson<-a t->uw< . >edu>
writes

>The University of Washington Libraries has an opening for a
>Preservation Librarian.  The Preservation Librarian will manage the
>preservation of intellectual content from brittle volumes and
>obsolete media ...

What is considered "obsolete media" in library parlance? I raise the
question not because I'm interested in applying for the position,
but because I am wondering if there is a common understanding in the
library world of what is considered obsolete media.  Admittedly, as
a library conservator, I do have a tendency to twitch when the words
"volumes" and "obsolete" appear in the same sentence.

Anne Downey
Head of Conservation
American Philosophical Society
105 S. Fifth Street
Philadelphia, PA 19106
215-440-3412


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                  Conservation DistList Instance 27:44
                   Distributed: Sunday, May 11, 2014
                       Message Id: cdl-27-44-018
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