Linocut ink

I have a linocut print dating back to the 1930s which was put into a
frame in the 1950s. The frame had no matt and perspex instead of
glass. The ink of the linocut is very heavy and, having been pressed
against the perspex for so long has stuck quite firmly to it. The
perspex is deteriorating fairly rapidly and the print needs to be
removed from it.

The ink is oil based, soluble in IMS and 2-Propanol but insoluble in
water. Can anyone suggest a method of removing the print without
leaving much of the ink and paper on the perspex? Thanks in advance,

Jonathan Farley


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                  Conservation DistList Instance 17:63
                  Distributed: Tuesday, March 30, 2004
                       Message Id: cdl-17-63-012
                                  ***