Gambier Parry process

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The Gambier Parry process is a development of the classical technique of fresco for painting murals, named for Thomas Gambier Parry.

In some environments, conventional fresco colours can rapidly accumulate dirt and grime. Gambier Parry developed a spirit medium for use on a specially prepared plaster or canvas ground. Originally it used beeswax, oil of spike lavender, spirits of turpentine, elemi resin and copal varnish, and was complex both in preparing the wall surface and applying the paint. With commercialization the process was simplified and became widely known. [1]