Graphic techniques in paintings

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I'm doing a research for a master project on Graphic technics used 
in paintings (on canvas). The aim of the project: 

    *   To give a historical presentation of all different graphic 
        techniques used in in paintings (and related works).

    *   To give a description of the techniques, and materials. How 
        the techniques have been (and are) used. How the materials 
        interact and interfere with the; varnish, paint layer, 
        ground layer, and canvas.

    *   To explain and describe specific problems (and how to solve 
        them), related to these kind of works, in preservation,
        conservation and restauration.

Graphic technics used in Paintings are a subject seldom described, 
in the world of Conservation. Because of the traditional division of 
paintings conservation and graphic conservation. But especially in 
the 20th century, all kinds of different graphic technics, are used 
as an integrated part in the modern painting. Furthermore, the use 
of different graphic technics used in paintings can be perceived 
further back in time: In the late 17th century methods have been 
described for transferring prints to, among other supports, canvas. 
In the 19th century pre-printed (either by stencil or block-print 
methods) canvas hangings were produced and later hand-painted. 
Almost since the invention of the photographic technique, canvas has 
been used for the support of the photographic emulsion, and
sometimes further hand-painted. Since the patent description of 
serigraphy (silkscreen print), also this technique has been used in 
paintings, especially in the 60's Pop art.

In our digital age, different digital printing techniques can be 
used for the printing of a canvas. These printed canvases are used 
by contemporary artists for further hand-decoration or as they 
appear from the printer, as pieces of art.

Does anyone have a knowledge of any kind of graphic techniques used 
in paintings (or on canvas) ?.

Does anyone have any case-histories of the conservation, 
restauration and preservation of these kinds of works?.

Borge Igor Brandt
Paintings Conservator 
Faelleskonseveringen, Helsingor, Denmark


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                  Conservation DistList Instance 13:35
                 Distributed: Friday, December 17, 1999
                       Message Id: cdl-13-35-016
                                  ***