Subject: UV lamps
I am researching the use of UV lamps and would like information on exposure times. How long is a safe exposure time for the document? How long a rest before that document is subjected to another session? Conservation Department Public Record Office Kew, Richmond Surrey TW9 4DU United Kingdom *** Conservation DistList Instance 11:23 Distributed: Tuesday, September 9, 1997 Message Id: cdl-11-23-015 ***Received on Monday, 1 September, 1997