Patination

One of a variety of finishes used by sculptors on metal, it is a technique involving naturally or artificially created surface alterations. It also includes coatings applied such as drying oils and paint. Bronzes may be coloured by patination with chemicals; colours can vary from deep brown, through gold, to greens and blues resembling the natural corrosion of the metal. A chemically patinated surface could then be coated with a drying oil and a lacquer to give a gloss or more colour.

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Colley Cibber, possibly from the studio of Sir Henry Cheere, 1st Bt, circa 1740 - NPG  - © National Portrait Gallery, London

Colley Cibber
possibly from the studio of Sir Henry Cheere, 1st Bt
circa 1740
NPG 1045

Robert Louis Stevenson, by Allen Hutchinson, 1893 - NPG  - © National Portrait Gallery, London

Robert Louis Stevenson
by Allen Hutchinson
1893
NPG 2454

Joseph Lister, Baron Lister, by Sir Thomas Brock, circa 1913 - NPG  - © National Portrait Gallery, London

Joseph Lister, Baron Lister
by Sir Thomas Brock
circa 1913
NPG 1958

Sir William Turner Walton, by Maurice Lambert, circa 1925 - NPG  - © Geoffrey Colley

Sir William Turner Walton
by Maurice Lambert
circa 1925
NPG 5913

Ramsay MacDonald, by Sir Jacob Epstein, 1934 - NPG  - Photograph © National Portrait Gallery, London

Ramsay MacDonald
by Sir Jacob Epstein
1934
NPG 2934

Ralph Vaughan Williams, by Sir Jacob Epstein, 1950 - NPG  - Photograph © National Portrait Gallery, London

Ralph Vaughan Williams
by Sir Jacob Epstein
1950
NPG 4762

Lynn Seymour, by Andrew Logan, 1987-1993 - NPG  - Photograph © National Portrait Gallery, London

Lynn Seymour
by Andrew Logan
1987-1993
NPG 6222

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