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Subject: Polarizing filters

Polarizing filters

From: Jane Hinwood <jhinwood>
Date: Monday, February 12, 2001
Requesting information on suppliers (Australian, if possible) of two
products used in photographic conservation: polarising filter film
and Opaline (Cerium Oxide powder).

I would like to make a viewer, to differentiate between polyester
and nitrate/acetate film.  Monique Fischer and Andrew Robb describe
the construction of such a viewer in 'Topics in Photographic
Preservation', vol 5, AIC Photographic Materials Group, 1993.  Has
anyone else gone down this road and located a supplier.

Jane Hinwood
State Library of Victoria
Melbourne, Australia

                  Conservation DistList Instance 14:44
               Distributed: Wednesday, February 14, 2001
                       Message Id: cdl-14-44-027
Received on Monday, 12 February, 2001

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