"Phillips, III, J.A." <[log in to unmask]> wrote:

>The Oregon Historical Society does not allow direct photocopying of
>older ephemera in their research center--they lay down a thick sheet of
>what I believe is plexiglass between the copying bed and the papers.
>Apparently, they believe the plastic wedge is enough to break up the
>harmful exposure of the copier's lamp.
>
>If some one knows just what OHS is putting down (other than plexi) I'd
>like to hear about it. I think the comments from the MSN employee were
>far from the mark myself.

Not that I really know, but I would guess that the plastic is probably
a UV filter, since UV is what seems to cause the most damage.


Jim Kajpust - Personal Freedoms - Michigan
http://www.cris.com/~jkajpust