Book drops

We are investigating purchase of a book drop for use overnight while
one of our branch libraries is closed.  Can anyone recommend (or
advise against) any particular models? Thanks,

Janet Gertz
Director for Preservation
Columbia University Libraries

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                  Conservation DistList Instance 10:16
                 Distributed: Wednesday, August 7, 1996
                       Message Id: cdl-10-16-019
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