The Gambier Parry process is a development of the classical technique of fresco for painting

mural A mural is any piece of graphic artwork that is painted or applied directly to a wall, ceiling or other permanent substrate. Mural techniques include fresco, mosaic, graffiti and marouflage. Word mural in art The word ''mural'' is a Spani ...

s, named for

Thomas Gambier Parry Thomas Gambier Parry, J.P., D.L., (22 February 1816 – 28 September 1888) was a British artist and art collector. He is best remembered for his development of the Gambier Parry process of fresco painting, and for forming the significant c ...

. True fresco is the technique of painting on fresh lime plaster whereby the pigments are fixed by the

carbonatation Carbonatation is a chemical reaction in which calcium hydroxide reacts with carbon dioxide and forms insoluble calcium carbonate: :Ca(OH)2CO2->CaCO3H_2O The process of forming a carbonate is sometimes referred to as "carbonation", although t ...

of the lime (calcium hydroxide). The technique requires no other binding medium and the fixing process produces a durable crystalline paint layer. However, only a limited range of pigments are suitable for true frescoes and the technique requires careful application under controlled conditions, and relatively low humidity thereafter. In some environments, conventional fresco colours can rapidly accumulate dirt and grime. The decoration of the new

Houses of Parliament The Palace of Westminster serves as the meeting place for both the House of Commons and the House of Lords, the two houses of the Parliament of the United Kingdom. Informally known as the Houses of Parliament, the Palace lies on the north ban ...

in the mid-nineteenth century saw an embarrassing failure of true fresco in England but had generated a revival in mural painting.Conservation of Lord Leighton's Spirit Frescoes 'War' and 'Peace'
Stephen Rickerby Gambier Parry developed a spirit medium for use on a specially prepared plaster or canvas ground and in 1862 he published his recipe. Originally it used

beeswax Beeswax (''cera alba'') is a natural wax produced by honey bees of the genus ''Apis''. The wax is formed into scales by eight wax-producing glands in the abdominal segments of worker bees, which discard it in or at the hive. The hive work ...

, oil of spike lavender, spirits of

turpentine Turpentine (which is also called spirit of turpentine, oil of turpentine, terebenthene, terebinthine and (colloquially) turps) is a fluid obtained by the distillation of resin harvested from living trees, mainly pines. Mainly used as a spec ...

, elemi resin and

copal Copal is tree resin, particularly the aromatic resins from the copal tree ''Protium copal'' (Burseraceae) used by the cultures of pre-Columbian Mesoamerica as ceremonially burned incense and for other purposes. More generally, copal includes re ...

varnish, and was complex both in preparing the wall surface and applying the paint. With commercialisation the process was simplified and became widely known. The system was used by

Frederic Leighton Frederic Leighton, 1st Baron Leighton, (3 December 1830 – 25 January 1896), known as Sir Frederic Leighton between 1878 and 1896, was a British painter, draughtsman, and sculptor. His works depicted historical, biblical, and classical subjec ...

for '' The Arts of Industry as Applied to War'' and '' The Arts of Industry as Applied to Peace'' at the

Victoria & Albert Museum The Victoria and Albert Museum (often abbreviated as the V&A) in London is the world's largest museum of applied arts, decorative arts and design, housing a permanent collection of over 2.27 million objects. It was founded in 1852 and nam ...

(1870-72) and by

Ford Madox Brown Ford Madox Brown (16 April 1821 – 6 October 1893) was a British painter of moral and historical subjects, notable for his distinctively graphic and often Hogarthian version of the Pre-Raphaelite style. Arguably, his most notable painti ...

on the '' Manchester Murals'' in Manchester Town Hall (1879-93). One of the most complete examples of the Gambier Parry process may be seen at St Leonard's Church, Newland, Worcestershire where frescoes cover the interior of the church; St Leonard's is the private chapel of the Beauchamp Almshouses.

References

Painting techniques Fresco painting {{art-technique-stub