Consolidation of chalk drawings

In Conservation DistList Instance: 10:26 I wrote

>I found the best results (concerning chalk drawings) working with
>Paraloid B-72 in toluene 5-8%  v/v. I use it with an air-brush which
>has a gentle mist and air flow that can be reduced to prevent from
>the media to run away.

Naturally, working with toluene requires a special attention, this
material is very poisonous and extremely inflammable, so working
with a fume cupboard is a must!

Michael Maggen
Senior paper conservator
The Israel Museum

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                  Conservation DistList Instance 10:27
               Distributed: Wednesday, September 11, 1996
                       Message Id: cdl-10-27-005
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