Bust

I have a bust in the conservation lab that was fabricated in a
method that I am not familiar with. It was probably made in the late
1920's or sometime in the 1930's and exhibited in a historical
museum until last month. It is hollow--the walls are from 1-2 inches
thick composed of what appears to be a plaster or compo material
which is severely efflorescing nearly overall the whole interior
surface and through breaks in the exterior surfaces in some areas.
Covering the "plaster" and making up the exterior is a thin-1/16 of
an inch or less metal layer (like a foil) that I suspect is copper
or copper alloy that was patinated. It has the appearance of a solid
bronze statue. It has separated from the plaster in most areas.
There are numerous breaks in this layer.

Is anyone familiar with or has anyone treated this type of object? I
will be glad to send further information.


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                  Conservation DistList Instance 13:51
                 Distributed: Saturday, April 15, 2000
                       Message Id: cdl-13-51-028
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