If they are on paper (you didn't specify, so sorry if they are on an object)
I've had some success with making a xerox copy set on a darker tone to bring
them out.  I am well aware of the conservation ramifications, as I am sure
you are, but I have used this technique successfully on several occasions.

Good luck,
Melinda Gilpin
-----Original Message-----
From: Mark Daniels <[log in to unmask]>
To: [log in to unmask] <[log in to unmask]>
Date: Wednesday, December 04, 2002 11:58 AM
Subject: recovering faint pencil marks


>Does anyone have a suggestion for reading faint pencil marks?
>
>Thanks
>
>Mark Daniels
>[log in to unmask]
>
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